Yih Chang — 21 Patents at Ritdisplay

Yih Chang has been granted 21 US patents while listed as an inventor at Ritdisplay. The first was granted in 1997 and the most recent in June 2022. Yih Chang ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Yih Chang in New Taipei, TW.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date
11355564	AMOLED and micro-OLED for augmented reality and autostereoscopic 3D displays	Yusheng Chang, Tsung Jen Kuo	2022-06-07
10923557	Active-matrix light-emitting diode (AMOLED) free of TFT within an active area	Yusheng Chang	2021-02-16
10083384	Display device for displaying barcode	Yu-Chih Jen	2018-09-25
9614175	Organic light-emitting diode device	—	2017-04-04
9166188	Organic light emitting diode device	—	2015-10-20
8994669	Display with in-cell touch sensor	—	2015-03-31
8742659	Display pixel and display device including the same	—	2014-06-03
7511417	Organic light-emitting source with light-guiding substrate	Tien-Rong Lu	2009-03-31
7208870	Silver alloy used in an organic electroluminescent panel	Shang-Wei Chen, Tien Wang Huang, Tien-Rong Lu, Hsin Tzu Yao, Chih-Jen Yang	2007-04-24
7098097	Mass-production packaging means and mass-production packaging method	Mau-Kuo Wei, Jih-Yi Wang, Chou-Ho Shyu, Yung-Wei Lai	2006-08-29
7075227	Organic electroluminescence display device	Tien-Rong Lu	2006-07-11
6857795	Developing apparatus and method for developing organic electroluminescent display panels	Tien-Rong Lu	2005-02-22
6777256	Method for forming a non-photosensitive pixel-defining layer on a OLED panel	Tien-Rong Lu	2004-08-17
6709532	Apparatus and method for photoresist stripping	Tien-Rong Lu	2004-03-23
6658762	Method and apparatus for transporting substrates in OLED process	Jung-Lung Liu, Chih-Jen Yang, Chih-Ming Kuo, Jih-Yi Wang, Tien-Rong Lu	2003-12-09
6613156	Apparatus and method for photoresist stripping	Tien-Rong Lu	2003-09-02
6559604	Method for forming a non-photosensitive pixel-defining layer on an OLED panel	Tien-Rong Lu	2003-05-06
6393716	Method and apparatus for transporting substrates in OLED process	Jung-Lung Liu, Chih-Jen Yang, Chih-Ming Kuo, Jih-Yi Wang, Tien-Rong Lu	2002-05-28
6343882	Apparatus for developing a pixel-defining layer of an organic light emitting diode	Tien-Rong Lu	2002-02-05
6308575	Manufacturing method for the miniaturization of silicon bulk-machined pressure sensors	Lung-Jieh Yang	2001-10-30
5625144	Simple, low-cost, low-noise, and energy-efficient digital tire gauge	—	1997-04-29

Yih Chang — 21 Patents

Issued Patents All Time

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