1
Vasudha Gupta, Jae Won Choi, Shih Chang Chang, Tsung Ting Tsai, Young Bae Park: Organic light-emitting diode displays with semiconducting-oxide and silicon thin-film transistors. Apple, Treyz Law Group, G Victor Treyz, Joseph F Guihan, September 8, 2015: US09129927 (18 worldwide citation)

An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be ...


2
Young Bae Park, Shih Chang Chang, Vasudha Gupta: Flexible display with bent edge regions. Apple, Treyz Law Group P C, G Victor Treyz, Zachary D Hadd, December 8, 2015: US09209207 (7 worldwide citation)

An electronic device may have a flexible display with portions that are bent along a bend axis. The display may have display circuitry such as an array of display pixels in an active area. Contact pads may be formed in an inactive area of the display. Signal lines may couple the display pixels to th ...


3
Gholamreza Chaji, Vasudha Gupta, Arokia Nathan: High resolution pixel architecture. Ignis Innovation, Nixon Peabody, October 8, 2013: US08552636 (4 worldwide citation)

A high resolution pixel using organic light emitting devices (OLEDs) in a staggered arrangement to increase aperture ratio is disclosed. The arrangement may be used with both bottom and top emission type pixels. The arrangement includes a first organic light emitting device emitting light of a first ...


4
Brett W Degner, Chieh Wei Chen, Dinesh C Mathew, Paul S Drzaic, Sang Ha Kim, Silvio Grespan, John Z Zhong, Jean Pierre Guillou, Kuo Hua Sung, Young Bae Park, Vasudha Gupta: Flexible displays. Apple, Treyz Law Group P C, Kendall P Woodruff, August 16, 2016: US09419065 (4 worldwide citation)

An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing the display with bent edge portions having neutral plane adjustment features that facilitate bending of the bent edge portions while minim ...


5
Vasudha Gupta, Shih Chang Chang, Young Bae Park, Ting Kuo Chang: In-cell touch for LED. Apple, Morrison & Foerster, May 10, 2016: US09336723 (3 worldwide citation)

A touch screen having touch circuitry integrated into a display pixel stackup. The touch screen can include a transistor layer, an LED layer and a first layer. The first layer can operate as an LED cathode during a display phase and as touch circuitry during a touch sensing phase. The transistor lay ...


6
KONGNING LI, VASUDHA GUPTA, GHOLAMREZA CHAJI, AROKIA NATHAN: [fr] Système de commande pour affichages à matrice active, [de] Antriebssystem für Aktivmatrixanzeigen, [en] Driving System for Active-Matrix Displays. IGNIS INNOVATION, March 23, 2011: EP2299427-A1 (2 worldwide citation)

[en] A system is provided for using raw grayscale image data, representing images to be displayed in successive frames, to drive a display having pixels that include a drive transistor and an organic light emitting device. The system defines high and low ranges of raw grayscale image data, and deter ...


7
Vasudha Gupta, Shih Chang Chang, Young Bae Park, Ting Kuo Chang: In-cell touch for LED. Apple, Morrison & Foerster, July 10, 2018: US10019103 (1 worldwide citation)

A touch screen having touch circuitry integrated into a display pixel stackup. The touch screen can include a transistor layer, an LED layer and a first layer. The first layer can operate as an LED cathode during a display phase and as touch circuitry during a touch sensing phase. The transistor lay ...


8
Sang Ha Kim, Silvio Grespan, John Z Zhong, Jean Pierre Guillou, Kuo Hua Sung, Paul S Drzaic, Young Bae Park, Vasudha Gupta: Narrow border displays for electronic devices. Apple, Treyz Law Group P C, Kendall P Woodruff, November 22, 2016: US09504124 (1 worldwide citation)

An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing conductive structures that pass through polymer layers of the display and/or conductive structures that wrap around an edge of the display ...


9
G Reza Chaji, Kongning Li, Vasudha Gupta, Arokia Nathan: Method and system for driving light emitting display. Ignis Innovation, Nixon Peabody, June 25, 2013: US08471875 (1 worldwide citation)

A display system includes a driver for operating a panel having a plurality of pixels arranged by a plurality of first lines and at least one second line The driver includes a driver output unit for providing to the panel a single driver output for activating the plurality of first lines, the single ...


10
Kongning Li, Vasudha Gupta, Gholamreza Chaji, Arokia Nathan: Driving system for active-matrix displays. Ignis Innovation, Nixon Peabody, August 7, 2018: US10043448

Raw grayscale image data, representing images to be displayed in successive frames, is used to drive a display having pixels that include a drive transistor and an organic light emitting device by dividing each frame into at least first and second-frames, and supplying each pixel with a drive curren ...