-
1.发明公开公开(公告)号：US20240105104A1
公开(公告)日：2024-03-28
申请号：US18133615
申请日：2023-04-12
发明人： Se Hyuk PARK , Hong Soo KIM , Young Ha SOHN , Jin Wook YANG , Dong Gyu LEE , Jae Hyeon JEON
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0842 , G09G2320/0247 , G09G2330/021
摘要： A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.
-
公开(公告)号：US20220036797A1
公开(公告)日：2022-02-03
申请号：US17182825
申请日：2021-02-23
发明人： Se Hyuk PARK , Hong Soo KIM , Jin Young ROH , Bong Hyun YOU , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/20
摘要： A display device includes first dots connected to first scan lines, second dots connected to second scan lines and alternately disposed with the first dots in a first direction and a second direction different from the first direction, a scan driver including first stages respectively connected to the first scan lines and second stages respectively connected to the second scan lines, and a data driver connected to the first dots and the second dots through data lines. The first stages are connected to first clock lines, the second stages are connected to second clock lines, first stages except a first start stage are respectively connected to corresponding first scan lines of corresponding previous first stages, and second stages except a second start stage are respectively connected to corresponding second scan lines of corresponding previous second stages.
-
公开(公告)号：US20210125559A1
公开(公告)日：2021-04-29
申请号：US17014969
申请日：2020-09-08
发明人： Se Hyuk PARK , Hong Soo KIM , Jin Young ROH , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/3258 , G09G3/3291 , H01L27/32
摘要： A display apparatus includes a display panel, a first gate driver, a second gate driver, a third gate driver, and a data driver. The display apparatus is operable in a low frequency driving mode, and the low frequency driving mode includes a writing frame and a holding frame. At least one of gate power voltages used to generate a first gate signal, a second gate signal, and an emission signal has a first voltage level in the writing frame of the low frequency driving mode and a second voltage level in the holding frame of the low frequency driving mode. The data voltage is applied to the pixel in the writing frame of the low frequency driving mode. The data voltage applied to the pixel in the writing frame of the low frequency driving mode is maintained in the holding frame of the low frequency driving mode.
-
公开(公告)号：US20240078974A1
公开(公告)日：2024-03-07
申请号：US18206252
申请日：2023-06-06
发明人： Hong Soo KIM , Myung Woo LEE , Suk Hun LEE , Jae Keun LIM
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021 , G09G2330/028 , G09G2340/0435
摘要： A display device including: a power supply configured to supply a first power, a second power, and a third power to a first power line, a second power line, and a third power line, respectively, wherein each of the first power, the second power and the third power varies in voltage level during one frame period; and pixels connected to at least one of scan lines and data lines, and connected to a common control line, the first power line, the second power line, and the third power line, wherein the pixels simultaneously emit light when the second power is changed to a low level, and a number of times the second power is changed to the low level during the one frame period changes in response to an image refresh rate.
-
公开(公告)号：US20230005409A1
公开(公告)日：2023-01-05
申请号：US17940414
申请日：2022-09-08
发明人： Suk Hun LEE , Sangan KWON , Hong Soo KIM , Jin Young ROH , Sehyuk PARK , Hyo Jin LEE
IPC分类号： G09G3/20
摘要： A display apparatus includes a display panel displaying an image based on an input image data, a data driver outputting a data voltage to a data line, and a driving controller determining a driving frequency of the display panel based on the input image data. The driving controller includes a flicker value storage configured to store flicker values for grayscale values corresponding to the input image data, a voltage drop determiner configured to adjust a flicker value of the flicker values based on a voltage drop of the display panel, a still image determiner configured to determine whether the input image data is a still image or a video image, and a driving frequency determiner configured to determine the driving frequency of the display panel using the flicker value based on the input image data being the still image.
-
公开(公告)号：US20220328013A1
公开(公告)日：2022-10-13
申请号：US17583938
申请日：2022-01-25
发明人： Jin Young ROH , Hong Soo KIM , Se Hyuk PARK , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/3291 , G09G3/3266
摘要： Embodiments of the present disclosure relate to a display device and a driving method thereof, and the display device includes a demultiplexer connected to a first data line and transferring a data signal from the first data line to a plurality of second data lines during a data writing period of one frame, a compensator calculating an on-pixel ratio (OPR) using input data in the one frame and generating compensation data corresponding to a calculated OPR, and a data driver supplying the data signal to the first data line using the input data during the data writing period, and supplying a compensation data signal to the first data line using the compensation data in a blank period of the one frame, and the demultiplexer supplies the compensation data signal from the first data line to a second data line during the blank period.
-
公开(公告)号：US20210407436A1
公开(公告)日：2021-12-30
申请号：US17142131
申请日：2021-01-05
发明人： Se Hyuk PARK , Hong Soo KIM , Jin Young ROH , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/3291 , G09G3/3266
摘要： A display device includes: a pixel configured to display an image based on image data and a reference voltage; a controller configured to generate reference voltage data corresponding to the reference voltage for restraining leakage current in the pixel based on a frame frequency; and a power supply configured to generate the reference voltage based on the reference voltage data and supply the reference voltage to the pixel.
-
公开(公告)号：US20210375201A1
公开(公告)日：2021-12-02
申请号：US17204213
申请日：2021-03-17
发明人： Sehyuk PARK , Jae Keun LIM , Hong Soo KIM , Jin Young ROH , Hyo Jin LEE
IPC分类号： G09G3/3225 , H01L27/32
摘要： A pixel of an organic light emitting diode display device includes a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and an organic light emitting diode. The third transistor includes first and second sub-transistors which are coupled to each other in series between a drain of the first transistor and a gate node, and a fourth transistor includes third and fourth sub-transistors which are coupled to each other in series between a line of an initialization voltage and the gate node. The eighth transistor applies a reference voltage to a first node between the first and second sub-transistors in response to an emission signal, and a ninth transistor applies the reference voltage to a second node between the third and fourth sub-transistors in response to the emission signal.
-
公开(公告)号：US20200211449A1
公开(公告)日：2020-07-02
申请号：US16696368
申请日：2019-11-26
发明人： Hong Soo KIM , Bon-Seog GU , Woomi BAE
IPC分类号： G09G3/32
摘要： A display apparatus includes a display panel and a power voltage generator. The display panel includes pixel circuits including a first light emitting element and a second light emitting element. The power voltage generator applies a high power voltage to first electrodes of the first light emitting element and the second light emitting element, a first low power voltage to a second electrode of the first light emitting element and a second low power voltage to a second electrode of the second light emitting element. The high power voltage has high level, the first low power voltage has low level and the second low power voltage has high level during an emission duration of a first frame. The high power voltage has the high level, the first low power voltage has high level and the second low power voltage has low level during an emission duration of a second frame.
-
公开(公告)号：US20220375380A1
公开(公告)日：2022-11-24
申请号：US17723584
申请日：2022-04-19
发明人： Se Hyuk PARK , Hong Soo KIM , Jin Young ROH , Hae Kwan SEO , Jin Wook YANG , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/20
摘要： A display system and a driving method for a display system that includes an application processor configured to supply a mode control signal corresponding to a plurality of driving modes and input image data corresponding thereto; and a display module that includes pixels configured to display an image and configured to control any one of a plurality of gamma values and power source voltages supplied to the pixels in response to the plurality of driving modes.
-
-
-
-
-
-
-
-
-
搜索结果
31 条记录 (耗时 0.02 秒)
