-
公开(公告)号：US20240347001A1
公开(公告)日：2024-10-17
申请号：US18388830
申请日：2023-11-11
发明人： Se Hyuk PARK , Young Ha SOHN , Jin Wook YANG , Dong Gyu LEE , Suk Hun LEE , Jae Hyeon JEON
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2320/0242 , G09G2320/0285
摘要： A display device includes an on-duty determiner which determines an on-duty period of an emission signal, based on a number of at least one cycle of a current frame, a first compensation value determiner which determines a first compensation value of a bias voltage according to a variation of the on-duty period, a second compensation value determiner which determines a second compensation value of the bias voltage, based on a driving frequency of a previous frame, and a third compensation value determiner which determines a third compensation value, based on the first compensation value and the second compensation value.
-
公开(公告)号：US20220068209A1
公开(公告)日：2022-03-03
申请号：US17524649
申请日：2021-11-11
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：US20210358396A1
公开(公告)日：2021-11-18
申请号：US17391715
申请日：2021-08-02
发明人： Se Hyuk PARK , Hyo Jin LEE
摘要： A display device includes a first switching element including a second electrode and a first gate electrode, a second switching element including a third electrode connected with the first gate electrode, a third switching element including a fifth electrode connected with the second electrode, and sixth electrode, a fourth switching element including a seventh electrode connected with the second electrode, and an eighth electrode, a fifth switching element including a ninth electrode connected with the second electrode, and a tenth electrode, a first light emitting diode connected with the sixth electrode and the eighth electrode, a second light emitting diode connected with the eighth electrode and the sixth electrode, and a switch selectively connecting a common power source line with the sixth electrode or the eighth electrode. The first light emitting diode and the second light emitting diode have different polarities from each other with respect to a same direction.
-
公开(公告)号：US20210335275A1
公开(公告)日：2021-10-28
申请号：US17171428
申请日：2021-02-09
发明人： Se Hyuk PARK , Hong Soo KIM , Jin Young ROH , Hyo Jin LEE , Jae Keun LIM
IPC分类号： G09G3/3275
摘要： A display device includes a display panel including a plurality of pixels, a data driver which provides data signals to the plurality of pixels, and a controller which controls the data driver. The controller writes frame data to a frame memory, reads the frame data in each of a plurality of frame periods, performs in a first frame period of the plurality of frame periods a still image detection operation that determines whether the frame data represent a still image, and does not performs the still image detection operation in a second frame period of the plurality of frame periods subsequent to the first frame period.
-
公开(公告)号：US20190156733A1
公开(公告)日：2019-05-23
申请号：US15981586
申请日：2018-05-16
发明人： Se Hyuk PARK , Hyo Jin LEE
摘要： A display device includes a first switching element including a second electrode and a first gate electrode, a second switching element including a third electrode connected with the first gate electrode, a third switching element including a fifth electrode connected with the second electrode, and sixth electrode, a fourth switching element including a seventh electrode connected with the second electrode, and an eighth electrode, a fifth switching element including a ninth electrode connected with the second electrode, and a tenth electrode, a first light emitting diode connected with the sixth electrode and the eighth electrode, a second light emitting diode connected with the eighth electrode and the sixth electrode, and a switch selectively connecting a common power source line with the sixth electrode or the eighth electrode. The first light emitting diode and the second light emitting diode have different polarities from each other with respect to a same direction.
-
6.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：US20230215391A1
公开(公告)日：2023-07-06
申请号：US18114383
申请日：2023-02-27
发明人： Se Hyuk PARK , Seung Jae Lee
IPC分类号： G09G3/20
CPC分类号： G09G3/2096 , G09G3/2007 , G09G2310/027 , G09G2320/0673 , G09G2320/0233 , G09G2300/0452
摘要： A display device including: a display panel including first and second display areas, and including pixels in the first and second display areas; and a data driver to output data signals to the pixels through a channels arranged along a first direction, wherein the channels include a first channel group corresponding to the first display area and a second channel group corresponding to the second display area, wherein some of the pixels emit light in different colors and have a first pixel arrangement along the first direction, and based on channel selection information about the first or second channel groups, the data driver outputs first data signals in a first output order along the first direction corresponding to the first pixel arrangement through the first channel group, and outputs second data signals in a second output order different from the first output order through the second channel group.
-
公开(公告)号：US20230162647A1
公开(公告)日：2023-05-25
申请号：US17886458
申请日：2022-08-12
发明人： Se Hyuk PARK
IPC分类号： G09G3/20 , G09G3/3258
CPC分类号： G09G3/2074 , G09G3/2003 , G09G3/3258 , G09G2360/16
摘要： A display device includes a data compensator to generate output image data by adding an extension bit to input image data received from an external processor, a data driver to supply a data voltage corresponding to the output image data to each of data lines, and a pixel unit including a plurality of sub-pixels. A first data line for providing a first color data signal is connected to a first sub-pixel disposed in an odd-numbered pixel row through a first anode, and is connected to a second sub-pixel disposed in an even-numbered pixel row through a second anode having a different size than the first anode, and the data compensator is configured to add a first extension bit to the input image data corresponding to the first sub-pixel and add a second extension bit to the input image data corresponding to the second sub-pixel.
-
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.
-
-
-
-
-
-
-
-
-
搜索结果
35 条记录 (耗时 0.023 秒)
