US 11,817,041 B2
Pixels and display apparatus comprising same
Jae Hoon Lee, Busan (KR); and Jin Woong Jang, Suwon-si (KR)
Assigned to SAPIEN SEMICONDUCTORS INC., Ulsan (KR)
Appl. No. 17/763,429
Filed by SAPIEN SEMICONDUCTORS INC., Ulsan (KR)
PCT Filed Sep. 11, 2020, PCT No. PCT/KR2020/012331
§ 371(c)(1), (2) Date Mar. 24, 2022,
PCT Pub. No. WO2021/060751, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 10-2019-0118384 (KR), filed on Sep. 25, 2019; application No. 10-2019-0139742 (KR), filed on Nov. 4, 2019; application No. 10-2020-0030387 (KR), filed on Mar. 11, 2020; and application No. 10-2020-0037068 (KR), filed on Mar. 26, 2020.
Prior Publication US 2022/0293043 A1, Sep. 15, 2022
Int. Cl. G09G 3/32 (2016.01)
CPC G09G 3/32 (2013.01) [G09G 2300/0857 (2013.01); G09G 2310/08 (2013.01); G09G 2320/064 (2013.01); G09G 2330/021 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A display device comprising:
a display unit including a plurality of pixels;
a signal controller generating a first voltage signal and a second voltage signal;
a column driver connected to each of the pixels to transmit the first voltage signal to the pixel through a column line; and
a row driver connected to each of the pixels to transmit the second voltage signal to the pixel through a row line,
wherein the signal controller generates the second voltage signal such that a voltage level of the second voltage signal rises more than a predetermined level value during a non-emission period of the pixel, and
wherein the first voltage signal is a first signal superimposed on a power supply voltage, and the second voltage signal is a second signal superimposed on a ground voltage.