US 11,721,263 B2
E-paper display apparatus and e-paper display panel
Wei-Tsung Chen, Hsinchu (TW); and Xue-Hung Tsai, Hsinchu (TW)
Assigned to E Ink Holdings Inc., Hsinchu (TW)
Filed by E Ink Holdings Inc., Hsinchu (TW)
Filed on Sep. 27, 2022, as Appl. No. 17/953,330.
Claims priority of application No. 110148687 (TW), filed on Dec. 24, 2021.
Prior Publication US 2023/0206802 A1, Jun. 29, 2023
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/20 (2013.01) [G09G 2300/0842 (2013.01); G09G 2340/0435 (2013.01); G09G 2380/14 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An e-paper display apparatus, comprising:
an e-paper display panel comprising a plurality of pixel circuits arranged in an array, wherein each of the pixel circuits comprises a transistor device, a storage capacitor, and a pixel capacitor, and a data voltage drives the storage capacitor and the pixel capacitor through the transistor device so that the e-paper display panel displays an image, wherein the transistor device is an oxide thin-film transistor, and an absolute value of the data voltage is greater than or equal to 20 volts,
wherein the absolute value of the data voltage is equal to 28 volts,
wherein a frame rate of the e-paper display panel is greater than or equal to 120 Hz,
wherein a material of a channel layer of the oxide thin-film transistor is indium gallium zinc oxide or indium zinc tin oxide.