Shih I Chang

US Patent:

20160125789, May 5, 2016

Filed:

Oct 6, 2015

Appl. No.:

14/875992

Inventors:

- Cupertino CA, US
Koorosh Aflatooni - Los Altos Hills CA, US
Shih Chang Chang - Cupertino CA, US
Young Bae Park - San Jose CA, US

International Classification:

G09G 3/20
G09G 3/32

Abstract:

An organic light-emitting diode display may have an array of pixels. Each pixel may have multiple subpixels of different colors. To avoid undesired color shifts when operating the display, the display may be configured so that subpixels of different colors are not coupled to each other through parasitic capacitances. The subpixels may include red, green, and blue subpixels or subpixels of other colors. Each subpixel may include an organic light-emitting diode having an anode and a cathode. The anode of each organic light-emitting diode may be coupled to a respective storage capacitor. Capacitive coupling between subpixels can be minimized by configuring the subpixel structures of each pixel so that the storage capacitors of the subpixels do not overlap the anodes of other subpixels in the pixel. Anode and capacitor overlap with subpixel data lines may also be reduced or eliminated.

US Patent:

20150206931, Jul 23, 2015

Filed:

Sep 17, 2014

Appl. No.:

14/488725

Inventors:

- Cupertino CA, US
Jean-Pierre Guillou - San Francisco CA, US
Shih Chang Chang - Cupertino CA, US
Tsung-Ting Tsai - Taipei, TW
Vasudha Gupta - Cupertino CA, US
Young Bae Park - San Jose CA, US

International Classification:

H01L 27/32
H01L 29/786
H01L 23/522
H01L 51/56

Abstract:

A display may have an array of organic light-emitting diode display pixels. Each display pixel may have a light-emitting diode that emits light under control of a drive transistor. Each display pixel may also have control transistors for compensating and programming operations. The array of display pixels may have rows and columns. Row lines may be used to apply row control signals to rows of the display pixels. Column lines (data lines) may be used to apply display data and other signals to respective columns of display pixels. A bottom conductive shielding structure may be formed below each drive transistor. The bottom conductive shielding structure may serve to shield the drive transistor from any electric field generated from the adjacent row and column lines. The bottom conductive shielding structure may be electrically floating or coupled to a power supply line.