公开(公告)号：US20220068193A1

公开(公告)日：2022-03-03

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

IPC: G09G3/32 ,  G09G3/20

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.

公开(公告)号：US20220068175A1

公开(公告)日：2022-03-03

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

IPC: G09G3/00 ,  G09G3/32

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.

公开(公告)号：US20210057624A1

公开(公告)日：2021-02-25

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

IPC: H01L33/62 ,  H01L33/38 ,  H05K1/18 ,  H01L27/15

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：US20140203816A1

公开(公告)日：2014-07-24

申请号：US14090967

申请日：2013-11-26

Applicant: Tianma Micro-Electronics Co., Ltd. ,  Shanghai Tianma Micro-Electronics Co., Ltd.

Inventor： Jialing LI ,  Conghua MA ,  Lihua WANG ,  Qijun YAO ,  Jun MA

IPC: G01R31/28

CPC classification number: G01R31/2812 ,  G02F1/1309 ,  G02F1/13338 ,  G06F3/0416

Abstract: A method of electrically testing an in-cell touch screen is disclosed. The in-cell touch screen includes a display electrode, a driving line, and a detecting line. The detecting line intersects the driving line. The method includes floating the display electrode and performing at least one of: A) applying a first predetermined voltage to one column of adjacent columns of the driving line or one row of adjacent rows of the driving line, and grounding the other column of the adjacent columns or the other row of the adjacent rows, and B) applying a second predetermined voltage to one column of adjacent columns of the detecting line or one row of adjacent rows of the detecting line, and grounding the other column of the adjacent columns or the other row of the adjacent rows. The method also includes determining whether the driving line or the detecting line is shorted or opened.

Abstract translation: 公开了一种电池测试触摸屏的方法。 单元内触摸屏包括显示电极，驱动线和检测线。 检测线与驱动线相交。 该方法包括使显示电极浮置并且执行以下至少一个：A）对驱动线的相邻列的一列或驱动线的相邻行的一列施加第一预定电压，并将相邻的 列或相邻行的另一行，以及B）将第二预定电压施加到检测线的相邻列的一列或检测线的一行相邻行中，并将相邻列的另一列或 相邻行的其他行。 该方法还包括确定驱动线或检测线是短路还是断开。

公开(公告)号：US20210375218A1

公开(公告)日：2021-12-02

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: G09G3/34 ,  G02F1/13357

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.

公开(公告)号：US20190004643A1

公开(公告)日：2019-01-03

申请号：US15724167

申请日：2017-10-03

Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Conghua MA ,  Kang YANG

IPC: G06F3/041 ,  G09G3/20

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/0416 ,  G09G3/20 ,  G09G3/2092 ,  G09G3/3266 ,  G09G3/3674 ,  G09G2310/0267 ,  G09G2310/08

Abstract: A scanning circuit, a drive circuit and a touch display device are provided. The scanning circuit drives a pixel row in a one-to-one manner. The scanning circuit includes: an input module, configured to generate a scanning signal in response to an inputted starting signal; a latch module, electrically connected to the input module and configured to generate the starting signal in response to the scanning signal and latch the starting signal; and a gating module, electrically connected to the latch module and configured to perform a display scanning on the pixel row driven by the scanning circuit under a control of the starting signal in a display stage and suspend the display scanning on the pixel row driven by the scanning circuit under the control of the starting signal in a touch stage.

公开(公告)号：US20180039370A1

公开(公告)日：2018-02-08

申请号：US15786404

申请日：2017-10-17

Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Feng LU ,  Qijun YAO ,  Conghua MA ,  Shaolong MA ,  Liang LIU

IPC: G06F3/041

CPC classification number: G06F3/0414 ,  G01L1/146 ,  G01L1/205 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105

Abstract: A touch panel is disclosed. The panel has a substrate having a touch region with a plurality of touch areas, a touch position detection apparatus, at least one pressure sensor group and a processor. The at least one pressure sensor group is disposed on the substrate. The pressure sensor group includes a first-type pressure sensor and a second-type pressure sensor. The first-type pressure sensor is located on a first side of the touch region and the second-type pressure sensor is located on a second side opposite to the first side of the touch region so that the first-type pressure sensor and the second-type pressure sensor of the same pressure sensor group are symmetric about the centerline of the touch panel. Each of the plurality of touch areas is associated with one of the at least one pressure sensor group.

公开(公告)号：US20160291751A1

公开(公告)日：2016-10-06

申请号：US14832611

申请日：2015-08-21

Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD. ,  TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Conghua MA ,  Qijun YAO ,  Kang YANG

IPC: G06F3/041 ,  H01L27/12 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  H01L27/124

Abstract: An array substrate and a drive method thereof, a touch control display and a display apparatus are provided. An array substrate includes, in part, a gate line layer configured with a multitude of gate lines, and a common electrode layer configured with a multitude of common electrodes. The common electrodes further operate as touch control electrodes with a projection on the array substrate along a direction substantially perpendicular to the array substrate. The projection covers n gate lines, where n is a positive integral number. At least one of the touch control electrodes comprises n sub common electrodes each having a projection on the array substrate along the direction substantially perpendicular to the array substrate covering one of the gate lines. Accordingly, less flicks or stripes appear on the display.

Abstract translation: 提供阵列基板及其驱动方法，触摸控制显示和显示装置。 阵列基板部分地包括配置有多条栅极线的栅极线层以及配置有多个公共电极的公共电极层。 公共电极进一步作为具有在阵列基板上的大致垂直于阵列基板的方向上的突起的触摸控制电极。 投影覆盖n个栅极线，其中n是正整数。 触摸控制电极中的至少一个包括n个子公共电极，每个子公共电极沿着基本上垂直于覆盖一个栅极线的阵列基板的方向在阵列基板上具有突起。 因此，显示屏上出现较少的轻拂或条纹。

公开(公告)号：US20140168540A1

公开(公告)日：2014-06-19

申请号：US14101941

申请日：2013-12-10

Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.

Inventor： Lihua WANG ,  Conghua MA ,  Qijun YAO ,  Jun MA

IPC: G02F1/1333

CPC classification number: G02F1/13338 ,  G02F1/133512 ,  G06F3/0412 ,  G06F3/044

Abstract: One inventive aspect is a touch control liquid crystal display device. The device includes a color film substrate, a thin film transistor array substrate, and a liquid crystal layer between the color film substrate and the thin film transistor array substrate. The color film substrate includes a grid-shaped black matrix layer, a touch control layer, and a color film layer. The touch control layer includes metal grid electrodes in a rectangle, where the metal grid electrodes include metal lines intersecting transversely and vertically. In addition, the metal grid electrodes include drive electrodes and sense electrodes. The drive electrodes are connected together through first metal connection lines in a first direction, and the sense electrodes are connected together through second metal connection lines in a second direction. In addition, the projection of the metal grid electrodes falls into the projection of the black matrix layer in the light transmission direction.

Abstract translation: 本发明的一个方面是触摸控制液晶显示装置。 该装置包括彩色薄膜基板，薄膜晶体管阵列基板和彩色薄膜基板与薄膜晶体管阵列基板之间的液晶层。 彩色薄膜基板包括格子状黑矩阵层，触摸控制层和彩色薄膜层。 触摸控制层包括矩形中的金属栅电极，其中金属栅电极包括横向和垂直相交的金属线。 此外，金属栅电极包括驱动电极和感测电极。 驱动电极通过第一金属连接线沿第一方向连接在一起，并且感测电极通过第二金属连接线沿第二方向连接在一起。 此外，金属栅极电极的投影落入黑色矩阵层在透光方向上的投影。

公开(公告)号：US20140111476A1

公开(公告)日：2014-04-24

申请号：US14139730

申请日：2013-12-23

Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.

Inventor： Shuai YOU ,  Jun MA ,  Conghua MA ,  Qijun YAO

IPC: G02F1/1333 ,  G06F3/044

CPC classification number: G02F1/13338 ,  G02F2201/121 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04107 ,  G09G3/3655 ,  G09G2300/0426

Abstract: An in-cell touch panel LCD module (100) and a method for driving the same includes a common electrode layer including first and second common electrodes. A control circuit divides the frame time period into a display time period and a touch control time period. A display signal is applied to the common electrode layer during the display time period for a normal LCD display. First and second touch control signals are applied to the first and second common electrodes, respectively, during the touch control time period, so that the electric potential of the first common electrode equals to that of the driving line and the electric potential of the second common electrode equals to that of the sensing line.

Abstract translation: 单元内触摸面板LCD模块（100）及其驱动方法包括具有第一和第二公共电极的公共电极层。 控制电路将帧时间段划分为显示时间段和触摸控制时间段。 在正常LCD显示的显示时间段期间，向公共电极层施加显示信号。 在触摸控制时间段期间，第一和第二触摸控制信号分别被施加到第一和第二公共电极，使得第一公共电极的电位等于驱动线的电位和第二公共电极的电位 电极等于感测线的电极。