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Fixer helps Nobel laureate in blue LED invention

STOCKHOLM, Sweden - Akio Ishida, a senior researcher at the Japan Science and Technology Agency, speaks after listening to commemorative lectures by three Japanese winners of the 2014 Nobel Prize in Physics in Stockholm on Dec. 8, 2014. Ishida played a leading role in linking the work of Isamu Akasaki, one of the three Nobel laureates and the world's first inventor of a blue light-emitting diode, with LED manufacturers.

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Sony unveils touch-screen Walkman with clearer color display

TOKYO, Japan - Sony Corp. unveiled new touch-screen Walkman X-series digital music players on April 14. The new NW-X1000 series, which has a 3-inch clearer organic light-emitting diode display, has a string of new features including Wi-Fi wireless Internet access and a menu featuring a connection to the YouTube video streaming site.

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Blue Pond in Hokkaido

BIEI, Japan, Nov. 12 Kyodo - Photo shows the so-called Blue Pond in Biei, Hokkaido, lit up with light-emitting diode lights on Nov. 13, 2018.

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Blue Pond in Hokkaido

BIEI, Japan, Nov. 12 Kyodo - Photo shows the so-called Blue Pond in Biei, Hokkaido, lit up with light-emitting diode lights on Nov. 13, 2018.

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Nijubashi Bridge at Imperial Palace illuminated with LEDs

TOKYO, Japan - The Nijubashi Bridge, the main entrance bridge to the Imperial Palace grounds, is illuminated with light-emitting diode (LED) bulbs during a trial on Dec. 18, 2014. The palace will be illuminated from Dec. 23, the emperor's birthday, until Jan. 4.

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Nobel laureates meet the press prior to award ceremony

STOCKHOLM, Sweden - Shuji Nakamura (R), a professor at the University of California, Santa Barbara, and Hiroshi Amano (2nd from R), a professor at Japan's Nagoya University, attend an official press conference with other 2014 Nobel Prize winners at the Royal Swedish Academy of Sciences in Stockholm on Dec. 7, 2014, prior to the Dec. 10 award ceremony. Nakamura and Amano, along with Meijo University professor Isamu Akasaki, who did not attend the press conference, won the Nobel Prize in Physics for inventing and developing the blue light-emitting diode.

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Nobel laureates meet the press prior to award ceremony

STOCKHOLM, Sweden - Shuji Nakamura (R), a professor at the University of California, Santa Barbara, and Hiroshi Amano, a professor at Japan's Nagoya University, share a lighthearted moment during a press conference with other 2014 Nobel Prize winners at the Royal Swedish Academy of Sciences in Stockholm on Dec. 7, 2014, prior to the Dec. 10 award ceremony. Nakamura and Amano, along with Meijo University professor Isamu Akasaki, won the Nobel Prize in Physics for inventing and developing the blue light-emitting diode.

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Nobel winner Nakamura extends olive branch to former employer Nichia

TOKYO, Japan - Shuji Nakamura, one of the three Japan-born scientists awarded the 2014 Nobel Prize in Physics, smiles during a press conference in Tokyo's Shinjuku Ward on Nov. 3, 2014. The 60-year-old professor at the University of California, Santa Barbara, said he wants to rebuild ties with former employer Nichia Corp., despite launching a lawsuit against the chemical maker over patent rights to his groundbreaking blue light-emitting diode technology. "My Nobel Prize was made possible because Nichia led the world in LEDs," Nakamura said.

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Nobel winner Nakamura extends olive branch to former employer Nichia

TOKYO, Japan - Shuji Nakamura, one of the three Japan-born scientists awarded the 2014 Nobel Prize in Physics, holds a press conference in Tokyo's Shinjuku Ward on Nov. 3, 2014. The 60-year-old professor at the University of California, Santa Barbara, said he wants to rebuild ties with former employer Nichia Corp., despite launching a lawsuit against the chemical maker over patent rights to his groundbreaking blue light-emitting diode technology. "My Nobel Prize was made possible because Nichia led the world in LEDs," Nakamura said.

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Renovated Phoenix Hall of Byodoin lit up

KYOTO, Japan - The renovated Phoenix Hall of Byodoin, a Buddhist temple on UNESCO's World Heritage list, in the city of Uji, Kyoto Prefecture, is illuminated by light-emitting diode (LED) lights on Oct. 30, 2014. Some 200 people were invited on the night tour of the hall, work on which was completed in September.

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Renovated Phoenix Hall of Byodoin lit up

KYOTO, Japan - The renovated Phoenix Hall of Byodoin, a Buddhist temple on UNESCO's World Heritage list, in the city of Uji, Kyoto Prefecture, is illuminated by light-emitting diode (LED) lights on Oct. 30, 2014. Some 200 people were invited on the night tour of the hall, work on which was completed in September.

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Nobel winner Nakamura's books shown at Univ. of Tokushima

TOKUSHIMA, Japan - A doctoral dissertation on blue light-emitting diode and books by this year's Nobel Prize winner in physics Shuji Nakamura are on display at the University of Tokushima, his alma mater, in Tokushima, western Japan, on Oct. 9, 2014.

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2 Japanese, American awarded Nobel Prize for inventing blue LED

LOS ANGELES, United States - Shuji Nakamura, professor at the University of California in Santa Barbara, holds a blue light-emitting diode at the university on Oct. 7, 2014, after being jointly awarded the Nobel Prize in Physics 2014 for the invention of efficient blue light-emitting diodes, along with Hiroshi Amano, professor at Nagoya University, and Isamu Akasaki, professor at Meijo University.

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Nobel laureate Akasaki back in 2006

TOKYO, Japan - Isamu Akasaki (C), professor emeritus at Nagoya University, central Japan, poses for photos in October 2006 in front of a large light-emitting diode display at Akasaki Memorial Research Center at the university in Nagoya. Akasaki was announced as a winner of the Nobel Prize in Physics 2014 for the invention of efficient blue LEDs with two other scientists in October 2014.

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Biggest plant factory with LED lighting built in quake-hit city

TAGAJO, Japan - A worker tends to vegetables at the world's largest plant factory using light-emitting diode lighting in Tagajo, Miyagi Prefecture, on July 2, 2014. Mirai Co., a Tokyo-based company that runs vegetable growing facilities, has built the factory, which is expected to produce 10,000 heads of lettuce and other vegetables per day, in the northeastern Japan city devastated by the 2011 earthquake and tsunami.

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Biggest plant factory with LED lighting built in quake-hit city

TAGAJO, Japan - A worker walks inside the world's largest plant factory using light-emitting diode lighting in Tagajo, Miyagi Prefecture, on July 2, 2014. Mirai Co., a Tokyo-based company that runs vegetable growing facilities, has built the factory, which is expected to produce 10,000 heads of lettuce and other vegetables per day, in the northeastern Japan city devastated by the 2011 earthquake and tsunami.

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Sharp's new 'nice size calculator'

OSAKA, Japan - Sharp Corp.'s new "nice size calculator" in champagne gold color is seen in this undated photo. Sharp announced on June 19, 2014, it will launch new models of calculators in commemoration of the 50th anniversary of the launching of the world's first all-transistor-diode electronic desktop calculator from July 25.

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Sharp's 'nice size calculator' models

OSAKA, Japan - Sharp Corp.'s new "nice size calculator" models are seen in this undated photo. Sharp announced on June 19, 2014, it will launch the new models of calculators in commemoration of the 50th anniversary of the launching of the world's first all-transistor-diode electronic desktop calculator from July 25.

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Visible-light communication test begins in Yokohama

YOKOHAMA, Japan - An experiment on visible-light communication using a light-emitting diode device gets under way in Yokohama, west of Tokyo, on April 14, 2014.

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Vendor sells LED lamps in Old Delhi market

NEW DELHI, India - A vendor (L) sells light-emitting diode lamps and other appliances in the Old Delhi market in India on March 11, 2014. LED lamps have been gaining recognition in India.

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LED lamps sold at Old Delhi market

NEW DELHI, India - Female shoppers check light-emitting diode lamps at an appliance vendor in the Old Delhi market in India on March 11. 2014. LED lamps have been gaining popularity in India.

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Panasonic's LED lamp that adjusts brightness

OSAKA, Japan - Panasonic Corp. displays a new light-emitting diode lamp that glows like a fluorescent light (R) or other lights on March 26, 2014, in Osaka.

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LED 'fireflies' light up Tokyo river

TOKYO, Japan - Photo shows Tokyo Sky Tree in Tokyo's Taito Ward towering over the Sumida River, with its surface lit up in blue by 100,000 light-emitting diode bulbs, mimicking fireflies, during an event called "Tokyo Firefly" on the night of May 25, 2013. Participants bought LED bulbs measuring 8.5 centimeters in diameter, each containing a solar panel and a rechargeable battery, and threw them into the river. The bulbs were collected by fishermen using a net downstream for reuse.

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Tokyo Sky Tree fully lit up

TOKYO, Japan - Combination photo taken from a Kyodo News helicopter on April 19, 2012, shows Tokyo Sky Tree in Tokyo's Sumida Ward being lit up in blue (L) and purple. The operator of the world's tallest self-standing tower conducted tests to light up the 634-meter tower using all of its around 2,000 light-emitting diode lamps ahead of its opening on May 22. The two colors will be used alternately, every other day, to light up the tower.

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Tokyo Sky Tree fully lit up

TOKYO, Japan - Tokyo Sky Tree in Tokyo's Sumida Ward is lit up in blue on April 19, 2012. The operator of the world's tallest self-standing tower conducted tests to light up the 634-meter tower using all of its around 2,000 light-emitting diode lamps ahead of its opening on May 22. The tower will be lit up alternately, every other day, in blue or purple.

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Tokyo Sky Tree fully lit up

TOKYO, Japan - Tokyo Sky Tree in Tokyo's Sumida Ward is lit up in blue on April 19, 2012. The operator of the world's tallest self-standing tower conducted tests to light up the 634-meter tower using all of its around 2,000 light-emitting diode lamps ahead of its opening on May 22. The tower will be lit up alternately, every other day, in blue or purple.

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Energy efficient car carrier employed by Nissan

TOKYO, Japan - Nissan Motor Co. shows a new car carrier (back) equipped with energy-saving devices including solar panels and light-emitting diode lamps to media on Jan. 30, 2012, in Yokosuka, Kanagawa Prefecture. The automaker aims at cutting CO2 emission in its product shipping operation.

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LED bulbs to quake-hit railways

WAKAYAMA, Japan - Tama, the famous calico cat also known as ''stationmaster,'' is pictured with light-emitting diode bulbs that features her in Kinokawa, Wakayama Prefecture, on Aug. 19, 2011. Wakayama Electric Railway Co. said the same day that it will donate 610 ''Tama bulbs'' to 10 northeastern Japan railway operators hit by the March quake and tsunami.

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Special Prius with LED headlights

NAGOYA, Japan - This photo shows a special model of Toyota Motor Corp.'s Prius hybrid car with light-emitting diode bulbs in its headlights. Toyota said Oct. 19, 2010, that it will start to launch the vehicle Nov. 1.

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Kan looks to industry

KITAKYUSHU, Japan - Prime Minister Naoto Kan (L) is briefed by Toshiba Corp. Chairman Atsutoshi Nishida (R) on the manufacturing process of a light-emitting diode at a Toshiba factory in Kitakyushu, southwestern Japan, on Aug. 28, 2010. (Pool photo)

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Roll-up OLED display

TOKYO, Japan - Photo shows a flexible organic light-emitting diode display that can be wrapped around a thin cylinder such as a pencil. Sony Corp. said May 26, 2010, it has developed the display and hopes to enhance the performance and reliability of roll-up OLED displays so they can be used in thin and lightweight mobile devices.

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15-m tall Christmas tree lights up Tokyo department store

TOKYO, Japan - A lighting ceremony for a 15-meter tall Christmas tree, about the size of a five-story building and one of the largest in Japan, is held at the Mitsukoshi department store in the plush Nihonbashi shopping area in Tokyo on Nov. 2, 2009. The eco-friendly tree made of metal for repeated use and decorated with 25,000 light-emitting diode bulbs that require less power will be set up at the store's central hall until Dec. 25, store officials said.

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15-m tall Christmas tree lights up Tokyo department store

TOKYO, Japan - A mother and her baby pose for a commemorative photograph in front of a 15-meter tall Christmas tree, one of the largest in Japan, at the Mitsukoshi department store in the plush Nihonbashi shopping area in Tokyo on Nov. 2, 2009, with a ''Green Santa Claus,'' an environmental goodwill ambassador from Denmark. The eco-friendly tree made of metal for repeated use and decorated with 25,000 light-emitting diode bulbs that require less power will be set up at the store's central hall until Dec. 25, store officials said.

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Towers Lights illuminations feature picture book

NAGOYA, Japan - People look at annual Towers Lights illuminations which started at the JR Central Towers building in front of Nagoya station in Aichi Prefecture on Nov. 7, featuring a picture book. About one million light emitting diode, or LED, lights show picture book pages in succession.

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Solar-powered Xmas tree with LED illumination goes on display

TOKYO, Japan - A 15-meter-high solar-powered Christmas tree with some 20,000 light emitting diode, or LED, lights is unveiled for the season at the Mitsukoshi department store in Tokyo's Nihonbashi district on Nov. 1. The tree will remain on display until Dec. 25.

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Hitachi, Canon, Matsushita tie up in flat-panel business

TOKYO, Japan - (From L to R) Canon Inc. President Tsuneji Uchida, Hitachi Ltd. President Kazuo Furukawa and Matsushita Electric Industrial Co. President Fumio Otsubo join hands at a hotel in Tokyo on Dec. 25, after reaching a basic accord to form a comprehensive alliance in the flat-panel display business to jointly manufacture liquid crystal display panels and to accelerate the development of organic light-emitting diode displays.

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Sony plans to launch OLED TV sales in U.S. next year: Stringer

TOKYO, Japan - Sony Corp.'s Chief Executive Officer Howard Stringer speaks during a news conference in Tokyo on Dec. 11. He said the company plans to launch sales of a television employing organic light-emitting diode technology next year in the United States, the second market for the company's ultra thin TV after Japan.

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Sony to launch world's 1st OLED TV in Dec. on Japan market

TOKYO, Japan - A model holds up Sony Corp.'s 11-inch television employing organic light emitting diode technology during an unveiling at Sony's head office in Tokyo on Oct. 1. Sony said it will begin selling the world's first OLED TV, featuring a 3-millimeter-thick display, from December in Japan with a suggested retail price of 200,000 yen, or around $1,700.

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Kyowa to sell safety LED light for use in schoolbags

TOKYO, Japan - Schoolbag maker Kyowa Corp. will begin selling Nov. 15 a red safety light that uses a light-emitting diode, which can be clipped on to schoolbags to help locate children in the dark, the company said Nov. 4. Drivers can detect the red light 200 meters away at night, the firm said.

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Blue diode inventor dissatisfied with patent dispute settlement

TOKYO, Japan - Shuji Nakamura, inventor of the blue-light emitting diode, speaks to reporters in Tokyo on Jan. 12, one day after he and Nichia Corp., his former employer, resolved their dispute over the patent for the blue diode through mediation by the Tokyo High Court. Nakamura said he had been forced to reach the settlement by the court, adding Japan's judicial system is corrupt.

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Nichia, Nakamura settle high-profile suit on blue LED patent

TOKYO, Japan - Hidetsohi Masunaga, a lawyer for Shuji Nakamura who developed the blue light-emitting diode (LED), speaks to reporters in Tokyo on Jan. 11 after Nakamura and Nichia Corp. reached a settlement on their dispute over the patent for the diode.

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Seiko Epson develops world's largest OLED color display

TOKYO, Japan - Seiko Epson Corp. has developed the world's largest color display using an organic light-emitting diode (OLED) (photo), the leading candidate for use in next-generation thin, lightweight displays, the company announced on May 18. Seiko Epson aims to commercialize the 40-inch display, which features 260,000 colors, in 2007 for use mostly in flat-panel televisions.

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(3)Nichia ordered to pay 20 bil. yen to inventor for LED patent

TOKYO, Japan - Shuji Nakamura, who developed the blue light-emitting diode (LED), smiles Jan. 30 during a news conference in Tokyo after the Tokyo District Court ordered Nichia Corp. to pay him 20 billion yen for his transfer of patent rights to the company.

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(2)Nichia ordered to pay 20 bil. yen to inventor for LED patent

TOKYO, Japan - Shuji Nakamura, who developed the blue light-emitting diode (LED), is surrounded by reporters in front of the Tokyo District Court in central Tokyo after the court ordered Nichia Corp. to pay him 20 billion yen for his transfer of patent rights to the company.

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(1)Nichia ordered to pay 20 bil. yen to inventor for LED patent

TOKYO, Japan - Shuji Nakamura, who developed the blue light-emitting diode (LED), smiles in front of the Tokyo District Court in central Tokyo on Jan. 30 after the court ordered Nichia Corp. to pay him 20 billion yen for his transfer of patent rights to the company.

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(2)Court denies professor's claim to patent for landmark invention

TOKYO, Japan - Shuji Nakamura (L), a professor at the University of California, Santa Barbara, speaks at a news conference Sept. 19 after the Tokyo District Court acknowledged Nichia Corp.'s ownership of the patent for a key semiconductor device, rejecting a suit filed by him, the inventor of the blue-color light-emitting diode (LED).

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Blue-color LED developer sues company for patent, reward

TOKUSHIMA, Japan - Shuji Nakamura (file photo), developer of the blue-color light-emitting diode (LED), filed a lawsuit with the Tokyo District Court on Aug. 23, demanding 2 billion yen and recognition that the semiconductor patent belongs to him. Nakamura, professor at the University of California, Santa Barbara, sued Nichia Corp., where he worked as an engineer until 1999, saying the company made unreasonable profits through its exclusive use of the blue-color LED patent.

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LEDs for Medical Germicidal Lamps from Nitride Semiconductor

The inactivation of bacteria such as Escherichia coli and Staphylococcus aureus, influenza virus and norovirus has already been verified at the virus center of the Sendai Medical Center of the National Hospital Organization (Miyagino Ward, Sendai City). The company plans to test the system on a new type of corona within the next month. UV and mercury lamps are used as germicidal lamps in medical facilities. However, UV lamps have a short life span and are easily broken, and the Minamata Convention on Mercury, an international regulation, will ban the manufacture, import and export of mercury-based lighting from 2021. Against this background, the spread of high-output deep UV LEDs is expected in the future. Photo taken on March 30, 2020 (location unknown), credit: Nikkan Kogyo Shimbun / Kyodo News Images

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Towa Electric Industry's 6-kilowatt charger for electric vehicles

Towa Electric Industry (Kita Ward, Okayama City), in cooperation with Wako Denken (Yao City, Osaka Prefecture), has commercialized a low-cost 6-kilowatt battery charger for electric vehicles (EVs). The total price (excluding consumption tax) is about 200,000 yen if installation work is also undertaken, which is about half the cost of installing a standard 6-kilowatt charger. The battery can be recharged in 12.5 hours with Nissan's LEAF e+ EV, halving the recharging time compared to a 3-kilowatt charger. Towa Electric Industry is engaged in the maintenance of power generation facilities, telecommunications work, and electrical work for stores in Okayama and Hiroshima prefectures. "In April 2018, the company launched its first product, a light-emitting diode (LED) lighting system for large facilities such as factories, with the aim of expanding its peripheral businesses related to electricity. (Photo taken on October 12, 2019, credit: Nikkan Kogyo Shimbun / Kyodo News Images)

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Sumitomo Corporation's well-designed LED signboard

Sumitomo Corporation is expanding sales of light-emitting diode (LED) signboards with built-in solar panels that offer superior design. The company has started to make full-scale proposals for use in disaster prevention, such as evacuation guidance signs, as well as for traffic and transportation applications, advertising, commercial facilities, and temporary fencing at construction sites. Prices start from the 100,000 yen range, and the products will be marketed widely, including overseas. The company aims to sell 2,000 units in the next two years. The battery used is a rechargeable nickel-hydrogen AA storage battery. The company hopes to develop new applications by combining it with sensors, cameras, Wi-Fi, and other devices. Photo taken on July 25, 2019, location unknown, credit: Nikkan Kogyo Shimbun / Kyodo News Images