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公开(公告)号:US10157574B2
公开(公告)日:2018-12-18
申请号:US15358975
申请日:2016-11-22
Applicant: LG DISPLAY CO., LTD.
Inventor: Subin Park , Wansik Lim , Jungyoup Suk
IPC: G09G3/3258 , G09G3/36 , G09G3/3275 , G06F3/041 , G06F3/044 , G06F1/16 , G06F1/32 , G09G3/3225 , G09G3/3266 , G04G9/00
Abstract: Provided are a display device and driving method thereof. A display device comprises a display panel configured to display an image, a data driver configured to supply a data signal to the display panel, a gate driver configured to supply a gate signal to the display panel, a power supply unit configured to output a power voltage to the display panel, and a power saving unit configured to control the power supply unit to vary a level of the power voltage according to a display mode of the display panel.
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公开(公告)号:US10156892B2
公开(公告)日:2018-12-18
申请号:US15358856
申请日:2016-11-22
Applicant: LG DISPLAY CO., LTD.
Inventor: Wansik Lim , Dowan Kim , Subin Park , Jungyoup Suk
IPC: G09G3/34 , G09G3/36 , G09G3/3291 , G06F1/32 , G09G3/32
Abstract: Provided are a display device and a method for driving the same. A display device comprises a display panel, a data driver, and a power saving part. The display panel displays an image. The data driver supplies a data signal to the display panel. The power saving part controls a reference source for the data driver according to the display mode of the display panel.
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公开(公告)号:US20160189608A1
公开(公告)日:2016-06-30
申请号:US14981039
申请日:2015-12-28
Applicant: LG DISPLAY CO., LTD.
Inventor: Subin Park
IPC: G09G3/32
CPC classification number: G09G3/3225 , G09G3/3275 , G09G2310/08 , G09G2320/0242 , G09G2330/022 , G09G2330/027
Abstract: Provided is a data driver for a display panel. The data driver includes an auxiliary power generating unit and an auxiliary power output unit. The auxiliary power generating unit may generate an auxiliary power. The auxiliary power output unit may supply the auxiliary power to the display panel when the display panel is driven in a power saving mode under the control of the auxiliary power generating unit. The auxiliary power output unit may include a first transistor configured to output the auxiliary power output from the auxiliary power generating unit, a diode configured to output the auxiliary power output from the first transistor, and a second transistor connected to the diode in parallel and configured to output the auxiliary power together with the diode.
Abstract translation: 提供了用于显示面板的数据驱动器。 数据驱动器包括辅助发电单元和辅助电力输出单元。 辅助发电单元可以产生辅助电力。 辅助电力输出单元在辅助发电单元的控制下以省电模式驱动显示面板时,可以向显示面板供给辅助电力。 辅助电力输出单元可以包括:第一晶体管,其被配置为输出从辅助发电单元输出的辅助电力;二极管,被配置为输出从第一晶体管输出的辅助电力;以及第二晶体管,并联连接到二极管, 与二极管一起输出辅助电源。
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公开(公告)号:US11735123B2
公开(公告)日:2023-08-22
申请号:US17728676
申请日:2022-04-25
Applicant: LG Display Co., Ltd.
Inventor: Jaemin Kim , Subin Park , Bonghwan Kim , Won-Seok Song
IPC: G09G3/3291
CPC classification number: G09G3/3291 , G09G2300/0426 , G09G2300/0842 , G09G2310/08 , G09G2320/0247
Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.
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公开(公告)号:US11004399B2
公开(公告)日:2021-05-11
申请号:US16687030
申请日:2019-11-18
Applicant: LG DISPLAY CO., LTD.
Inventor: Kyeongtae Park , Subin Park , Kyeongtae Min , Sungchang Park , Jongtak Kim
IPC: G09G5/10 , G09G3/3275 , G09G3/3266 , G09G3/36
Abstract: A display apparatus can include a display panel configured to display images; a scan driver configured to supply scan signals to the display panel; a data driver configured to supply data voltages to the display panel; a timing controller configured to control the scan driver and the data driver; and a device controller configured to in response to receiving a frequency change signal, change a driving frequency of a device from a first frequency to a second frequency higher than the first frequency or change the driving frequency of the device from the second frequency to the first frequency, while maintaining widths of driving signals of the scan driver before and after the driving frequency is changed, in which the device includes at least one of the scan driver or the data driver.
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公开(公告)号:US10235917B2
公开(公告)日:2019-03-19
申请号:US14979983
申请日:2015-12-28
Applicant: LG Display Co., Ltd.
Inventor: Jeahun Jung , Euncheol Eom , Subin Park
IPC: G09G3/20
Abstract: A disclosed display device includes a data driver configured to receive data signals corresponding to an input image and to output a first data signal corresponding to a first portion of the input image to be displayed. The display device also includes a display panel having a plurality of data lines and a display area configured to display the first portion of the input image based on the first data signal from the data driver. The data driver is further configured to cut off a second data signal corresponding to a second portion of the input image substantially outside the display area of the display panel from being output.
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公开(公告)号:US20240321223A1
公开(公告)日:2024-09-26
申请号:US18733342
申请日:2024-06-04
Applicant: LG Display Co., Ltd.
Inventor: Jaemin Kim , Subin Park , Bonghwan Kim , Won-Seok Song
IPC: G09G3/3291 , H01L21/768 , H01L23/522 , H01L29/08 , H01L29/417 , H01L29/78
CPC classification number: G09G3/3291 , H01L21/76877 , H01L23/5226 , H01L29/0847 , H01L29/41791 , H01L29/785 , G09G2300/0426 , G09G2300/0842 , G09G2310/08 , G09G2320/0247
Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.
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公开(公告)号:US10056031B2
公开(公告)日:2018-08-21
申请号:US14981039
申请日:2015-12-28
Applicant: LG DISPLAY CO., LTD.
Inventor: Subin Park
IPC: G09G3/32 , G09G3/3225 , G09G3/3275
CPC classification number: G09G3/3225 , G09G3/3275 , G09G2310/08 , G09G2320/0242 , G09G2330/022 , G09G2330/027
Abstract: Provided is a data driver for a display panel. The data driver includes an auxiliary power generating unit and an auxiliary power output unit. The auxiliary power generating unit may generate an auxiliary power. The auxiliary power output unit may supply the auxiliary power to the display panel when the display panel is driven in a power saving mode under the control of the auxiliary power generating unit. The auxiliary power output unit may include a first transistor configured to output the auxiliary power output from the auxiliary power generating unit, a diode configured to output the auxiliary power output from the first transistor, and a second transistor connected to the diode in parallel and configured to output the auxiliary power together with the diode.
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公开(公告)号:US20170147063A1
公开(公告)日:2017-05-25
申请号:US15358856
申请日:2016-11-22
Applicant: LG DISPLAY CO., LTD.
Inventor: Wansik LIM , Dowan Kim , Subin Park , Jungyoup Suk
IPC: G06F1/32 , G09G3/3291
CPC classification number: G06F1/3296 , G09G3/3291 , G09G3/342 , G09G3/3685 , G09G3/3696 , G09G2310/08 , G09G2330/021 , G09G2330/023 , G09G2340/0435
Abstract: Provided are a display device and a method for driving the same. A display device comprises a display panel, a data driver, and a power saving part. The display panel displays an image. The data driver supplies a data signal to the display panel. The power saving part controls a reference source for the data driver according to the display mode of the display panel.
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公开(公告)号:US12033590B2
公开(公告)日:2024-07-09
申请号:US18218491
申请日:2023-07-05
Applicant: LG Display Co., Ltd.
Inventor: Jaemin Kim , Subin Park , Bonghwan Kim , Won-Seok Song
IPC: H01L29/417 , G09G3/3291 , H01L21/768 , H01L23/522 , H01L29/08 , H01L29/78
CPC classification number: G09G3/3291 , H01L21/76877 , H01L23/5226 , H01L29/0847 , H01L29/41791 , H01L29/785 , G09G2300/0426 , G09G2300/0842 , G09G2310/08 , G09G2320/0247
Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.
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