Tcl China Star Optoelectronics Technology Co., Ltd.

Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Zhengbo Cui

Jing Liu

Hongzhao Deng

Hao Chen

Yichen Bai

A spliced display device is provided. The spliced display device includes a display panel, a light complement module, and a plurality of driver chips. The display panel includes subpanels spliced with each other, and a splice slit is formed between the subpanels. The light complement module is disposed corresponding to the splice slit and covers the splice slit. The light complement module includes a driver board and a plurality of light-emitting units disposed on the driver board. The driver chips are disposed on the driver board. Each of the light-emitting units is provided with a corresponding one driver chip therein, and is electrically connected with the corresponding one driver chip. A light emitting direction of the light complement module is same with a light emitting direction of the display panel.

Spliced display devices

A display panel is provided, including a power line, light-emitting lamp groups, partition channel wirings, driving chips, and a grounding signal wiring. The driving chips, the light-emitting lamp groups, and the partition channel wirings are disposed between the power line and the grouping signal wiring spaced apart. The driving chips are connected to the grounding signal wiring. The light-emitting lamp groups are connected to the power line. The partition channel wirings are connected to the light-emitting lamp groups. The power line, the grounding signal wiring, and the partition channel wirings are disposed in a same layer.

Display panel

A display panel is provided, including a grounding signal wiring, driving chips, a driving chip input output signal wiring, and a power line. A grounding signal pin is connected to the grounding signal wiring. The driving chip input output signal wiring is configured to connect a stage-transfer signal input pin and a stage-transfer signal output pin of two adjacent driving chips. The grounding signal wiring, the driving chip input output signal wiring, and the power line are disposed in a same layer and do not intersect with each other.

A light source module and a display device include a substrate configured to have a plurality of light-emitting regions arranged in an array manner, each light-emitting region is provided with two light-emitting groups, each light-emitting group includes a plurality of light-emitting branches arranged side by side, and two driving chips are disposed in parallel between the two light-emitting groups; and single-layer layout wiring arranged on the substrate, wherein the single-layer layout wiring couples the driving chips within the light-emitting regions to each other and electrically connects each of the driving chips to the light-emitting branches within one of the light-emitting groups.

Light source module and display device

Display panels and driving methods thereof are provided. The driving method includes: obtaining to-be-displayed grayscales of a frame of to-be-displayed image, where the frame of to-be-displayed image includes at least one first subframe and at least one second subframe; determining a target driving mode of each pixel driving circuit according to the to-be-displayed grayscales, where the target driving mode includes a first driving mode and a second driving mode; and when the target driving mode is the first driving mode, adjusting a time interval between an effective level of a first scanning signal and an effective level of a second scanning signal in the second subframe, so as to control a conduction duration of a light-emitting loop, where the first scanning signal includes at least one effective level in both the first and second subframes, and the second scanning signal includes the effective level between the first and second subframes.

Display panels and driving methods thereof

A backlight source and a display device are provided. The display panel includes the plurality of stacked metal sub-layers and the first passivation sub-layer and the second passivation sub-layer stacked. The first passivation sub-layer is disposed between the metal layer and the second passivation layer. Material of the first passivation sub-layer includes silicon nitride. The first passivation sub-layer covers the untidy area at the ends of the molybdenum-titanium alloy thin layer to avoid from detachment of the passivation layer, and meanwhile to solve the issues of simplifying the manufacturing process of the display panel, and to avoid from oxidation of the bonding pads.

Backlight source and display device

The present application provides a pixel driving circuit and a display panel. The pixel driving circuit includes a light emitting device, a voltage conversion module electrically connected to the light emitting device via a first node, a driving module electrically connected to the light emitting device via a second node, a data writing module electrically connected to the driving module via a fourth node, a first potential coupling module electrically connected to the second node and the third node, a second potential coupling module, and a first voltage terminal. Before the driving module controls a moment when the light emitting device starts to emit light, the voltage conversion module controls the potential of the first node to change from a first voltage to a second voltage, first potential coupling module couples potential of the third node, and second potential coupling module couples potential of the fourth node.

Growing community of inventors

Guangdong, China

Zhengbo Cui