US 12,230,220 B2
Display device
Byungsam Min, Goyang-si (KR); KangIl Kim, Seoul (KR); and Dohyung Kim, Seoul (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG DISPLAY CO., LTD., Seoul (KR)
Filed on Jun. 13, 2023, as Appl. No. 18/209,297.
Application 18/209,297 is a continuation of application No. 17/466,459, filed on Sep. 3, 2021, granted, now 11,715,427.
Claims priority of application No. 10-2020-0112630 (KR), filed on Sep. 3, 2020; and application No. 10-2021-0108967 (KR), filed on Aug. 18, 2021.
Prior Publication US 2023/0326417 A1, Oct. 12, 2023
Int. Cl. G09G 3/3291 (2016.01); G09G 3/3266 (2016.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/35 (2023.01)
CPC G09G 3/3291 (2013.01) [G09G 3/3266 (2013.01); H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02); H10K 59/353 (2023.02); G09G 2300/0452 (2013.01); G09G 2310/0272 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display panel in which a plurality of pixel unit including a first pixel and a second pixel are disposed in a row;
a data driver configured to supply a data voltage to the plurality of pixels by means of a plurality of data lines for a plurality of reference voltage lines to perform sensing on the plurality of pixels; and
a gate driver configured to supply a gate signal to the plurality of pixels by means of a plurality of gate lines,
wherein each of the pixels includes N sub pixels each having a different color,
wherein each of the plurality of data lines is divided into a first sub data line and a second sub data line,
wherein each of the sub data lines is connected to the sub pixels having the same color,
wherein each of the plurality of reference voltage lines is connected to all the sub pixels within each of the pixels, and wherein each of the plurality of gate lines are connected to N sub pixels having a different color within each pixel unit (N is a natural number of 1 or larger),
wherein the plurality of gate lines includes a first gate line and a second gate line in the pixel unit,
wherein the first gate line is connected to some of the sub pixels of the first pixel,
wherein the first gate line is connected to the other sub pixels having a different color from the sub pixel of the first pixel connected to the first gate line, among sub pixels of the second pixel,
wherein the second gate line is connected to the rest of the sub pixels from the first pixel,
wherein the second gate line is connected to the rest of the sub pixels from the second pixel, and
wherein during a first scan period and a second scan period, a gate high voltage is applied to the first gate line and during a third scan period and a fourth scan period, the gate high voltage is applied to the second gate line.
 
5. A display device, comprising:
a display panel in which a plurality of pixel units including a first pixel and a second pixel are disposed in a row;
a data driver configured to supply a data voltage to the plurality of pixels by means of a plurality of data lines for a plurality of reference voltage lines to perform sensing on the plurality of pixels; and
a gate driver configured to supply a gate signal to the plurality of pixels by means of a plurality of gate lines,
wherein each of the pixels includes N sub pixels each having a different color,
wherein each of the plurality of data lines is divided into a first sub data line and a second sub data line,
wherein each of the sub data lines is connected to the sub pixels having the same color,
wherein each of the plurality of reference voltage lines is connected to all the sub pixels within each of the pixels, and wherein each of the plurality of gate lines are connected to N sub pixels having a different color within each pixel unit (N is a natural number of 1 or larger),
wherein the plurality of gate lines includes a first gate line and a second gate line in the pixel unit,
wherein the first gate line is connected to some of the sub pixels of the first pixel,
wherein the first gate line is connected to the other sub pixels having a different color from the sub pixel of the first pixel connected to the first gate line, among sub pixels of the second pixel,
wherein the second gate line is connected to the rest of the sub pixels from the first pixel,
wherein the second gate line is connected to the rest of the sub pixels from the second pixel, and
wherein during a first scan period and a third scan period, a gate high voltage is applied to the first gate line and during a second scan period and a fourth scan period, the gate high voltage is applied to the second gate line.
 
7. A display device, comprising:
a display panel in which a plurality of pixel units including a first pixel and a second pixel are disposed in a row;
a data driver configured to supply a data voltage to the plurality of pixels by means of a plurality of data lines for a plurality of reference voltage lines to perform sensing on the plurality of pixels; and
a gate driver configured to supply a gate signal to the plurality of pixels by means of a plurality of gate lines,
wherein the first pixel and the second pixel are arranged adjacent to each other in a row,
wherein each of the pixels includes N sub pixels each having a different color,
wherein each of the plurality of data lines is divided into a first sub data line and a second sub data line,
wherein each of the sub data lines is connected to the sub pixels having the same color,
wherein one of the plurality of reference voltage lines is disposed between the first pixel and the second pixel and another of the plurality of reference voltage lines is disposed in the first pixel,
wherein the one of the reference voltage line is connected to N sub pixels having different colors within each pixel unit, and the another of the reference voltage line is connected to N sub pixels having different colors different from the N sub pixels connected to the one of the plurality of reference voltage lines, and
wherein the reference voltage line is connected to at least one of N sub pixels included in the first pixel and at least one of N sub pixels included in the second pixel (N is a natural number of 1 or larger).