-
公开(公告)号：US20210376209A1
公开(公告)日：2021-12-02
申请号：US17011846
申请日：2020-09-03
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Lihua Wang , Xiaoping Sun , Conghua Ma , Qiang Dong
IPC: H01L33/62 , G02F1/13357 , H01L33/00
Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.
-
公开(公告)号：US09709839B2
公开(公告)日：2017-07-18
申请号：US14735045
申请日：2015-06-09
Inventor： Lihua Wang , Xiaoping Sun , Xiaofei She , Conghua Ma
IPC: G02F1/1333 , G02F1/1343 , G02F1/1345 , G06F3/041 , G06F3/044
CPC classification number: G02F1/13338 , G02F1/134309 , G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: A liquid crystal electronic curtain is disclosed. The liquid crystal electronic curtain includes a liquid crystal layer between first and second substrates. The curtain also includes a polarizer on one of a side of the first substrate away from the second substrate, and a side of the second substrate away from the first substrate. The curtain also includes a first electrode layer on a side of the first substrate facing the second substrate. The first electrode layer includes touch display units, and first electrode leads, each connected with one of the touch display units. The touch display units are connected with detection circuits via the first electrode leads. The curtain also includes a second electrode layer disposed on a side of the second substrate facing the first substrate, a driving circuit, and a second electrode lead, where the driving circuit is connected with the second electrode lead.
-
公开(公告)号：US11961949B2
公开(公告)日：2024-04-16
申请号：US17011846
申请日：2020-09-03
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Lihua Wang , Xiaoping Sun , Conghua Ma , Qiang Dong
CPC classification number: H01L33/62 , G02F1/133603 , H01L33/0093
Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.
-
4.发明授权公开(公告)号：US11315502B2
公开(公告)日：2022-04-26
申请号：US16933335
申请日：2020-07-20
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Xiongping Li , Xiaoping Sun , Lihua Wang , Conghua Ma , Qiang Dong
IPC: G09G3/32 , G09G3/34 , G02F1/13357 , G02F1/1335
Abstract: A backlight drive method, a backlight drive device, a backlight source system, and a display device are provided in the present disclosure. The backlight drive method is used to drive a light-emitting region of a backlight source of the display device. Driving the light-emitting region of the backlight source includes acquiring actual ambient brightness of an ambient where the display device is located. Driving the light-emitting region of the backlight source further includes determining a target backlight brightness range of light exited from the light-emitting region with reference to the actual ambient brightness, where the target backlight brightness range is within an intrinsic brightness range of the light-emitting region. Driving the light-emitting region of the backlight source further includes matching the target backlight brightness range to a plurality of gray levels preset in the light-emitting region.
-
Patent Agency Ranking
公开(公告)号：US11060908B1
公开(公告)日：2021-07-13
申请号：US16845577
申请日：2020-04-10
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Kan Wang , Yang Nan , Xiongping Li , Xiaoping Sun , Meilin Wang
IPC: G09G3/34 , G01J1/46 , G09G5/10 , H01L27/12 , H01L27/144 , H01L31/113 , H01L31/0224 , H01L31/02 , H01L31/0216 , G01J1/44
Abstract: A display module and a method for monitoring backlight brightness are provided in the present disclosure. The display module includes a display region including an opening region and a non-opening region. The display module includes a backlight module and an array substrate. The array substrate is at a light-exiting side of the backlight module. The array substrate includes a plurality of gate lines which extends along a first direction and is arranged along a second direction, and further includes a plurality of data signal lines which is arranged along the first direction and extends along the second direction. The array substrate further includes a first substrate and at least one photosensitive unit, where the photosensitive unit is at a side of the first substrate away from the backlight module; and the photosensitive unit is disposed at the non-opening region for sensing a luminous brightness of the backlight module.
-
公开(公告)号：US11411151B2
公开(公告)日：2022-08-09
申请号：US17092336
申请日：2020-11-09
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Xiaoping Sun , Lihua Wang , Conghua Ma , Liwen Lu
Abstract: A light emitting panel and a display device are provided. The light emitting panel includes a carrier substrate, and multiple connection electrodes, multiple first electrode leads and multiple second electrode leads that are arranged on the carrier substrate. Each connection electrode includes a first sub-connection electrode and a second sub-connection electrode isolated from each other. The connection electrodes are divided into a first connection electrode group to an N-th connection electrode group. An i-th connection electrode group includes connection electrodes. N is an integer greater than or equal to 2, and i is a positive integer less than or equal to N. First sub-connection electrodes in the i-th connection electrode group are electrically connected with a same first electrode lead, and second sub-connection electrodes in the i-th connection electrode group are respectively connected with different second electrode leads.
-
公开(公告)号：US11348542B2
公开(公告)日：2022-05-31
申请号：US16944095
申请日：2020-07-30
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
Inventor： Conghua Ma , Lihua Wang , Xiaoping Sun , Qiang Dong
Abstract: Provided is a driving method for a display device. The driving method includes: obtaining, by the driving chip, a theoretical brightness value of the light-emitting diode in each of the plurality of light-exiting sub-areas based on an image to be displayed on the display panel; obtaining an actual brightness look-up table, searching the actual brightness look-up table for an actual brightness value closest to the theoretical brightness value, and setting the actual brightness value closest to the theoretical brightness value as a first brightness value; and generating a first pulse signal based on the first brightness value and outputting the first pulse signal to the switch in each of the plurality of light-exiting sub-areas, in such a manner that the switch controls, under driving of the first pulse signal, the light-emitting diode to emit light under an action of a first power supply signal and a second power supply signal.
-
公开(公告)号：US11263938B1
公开(公告)日：2022-03-01
申请号：US17103273
申请日：2020-11-24
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Qiang Dong , Lihua Wang , Xiaoping Sun , Conghua Ma
Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a plurality of light-emitting components arranged in an array, a plurality of signal calculation modules, and a reference-signal generation module. A light-emitting component includes a light-emitting module and a first switch module. The light-emitting module and the first switch module are connected in series between a first power terminal and a second power terminal. A control terminal of the first switch module is connected to a signal calculation module, and the signal calculation module is connected to the reference-signal generation module. The reference-signal generation module is configured to generate a reference signal. The signal calculation module is configured to receive an original data signal and the reference signal, and generate a first data signal. The signal calculation module is further configured to generate a pulse width modulation signal, and to control the light-emitting module to emit light.
-
9.发明授权公开(公告)号：US11244603B1
公开(公告)日：2022-02-08
申请号：US17103079
申请日：2020-11-24
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Lihua Wang , Xiaoping Sun , Conghua Ma , Qiang Dong
Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction. The light-emitting panel also includes a first power line and a second power line.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.016 seconds)
