G02F1/133612

DRIVING SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME, LIGHT-EMITTING SUBSTRATE AND DISPLAY DEVICE
20230125383 · 2023-04-27 ·

A driving substrate, including: a base; a first insulating layer and first conductive wires on the base; the first insulating layer is provided with openings, the first conductive wires are positioned in the openings, and at any position in a lengthwise direction of the first conductive wires, each side surface of each first conductive wire is in contact with a side surface of the opening, where said each first conductive wire is positioned, at least at a partial height; each first conductive wire includes a seed wire and a growth wire; second conductive wires positioned on a side of the first conductive wires away from the base, each second conductive wire is coupled to one first conductive wire and is provided with a coupling area for coupling a light-emitting unit. A method for manufacturing the driving substrate, a light-emitting substrate and a display device are further provided.

DAISY-CHAINED CONNECTED LIGHT EMITTING DIODE DEVICES FOR AN AUTOMOTIVE DIRECT BACKLIGHT SYSTEM
20230073779 · 2023-03-09 ·

Daisy-chained connected light emitting diode (LED) devices for an automotive direct backlight system are presented herein. Such system can include a group of LED devices communicatively coupled with respective LED devices of the group of LED devices in a daisy-chained manner via serial communication interfaces between the respective LED devices. A host device of the system is directly connected, via a serial peripheral interface, to a foremost device of the respective LED devices, and is communicatively coupled, via the foremost device, to successive devices of the respective LED devices in the daisy-chained manner. The host device synchronizes generation of light by the respective LED devices based on defined timing information, and sends, via the foremost device, respective optical and electrical characteristic data to each of the LED devices to facilitate modification, via LED drivers of the LED devices, of operating characteristics of respective LED chips of the LED devices.

Backlight unit and display device including the same

A backlight unit including: a base substrate in which a light emitting area and a non-light emitting area are defined; a wiring layer including: a lower conductive layer disposed on the base substrate; an intermediate conductive layer disposed on the lower conductive layer; and an upper conductive layer disposed on the intermediate conductive layer; a light emitting element disposed on the wiring layer in the light emitting area; a connection member electrically connecting the light emitting element and the wiring layer, the connection member contacting the intermediate conductive layer of the wiring layer and the light emitting element; a backlight flexible substrate electrically connected to the wiring layer in the non-light emitting area; and a pad connection member electrically connecting the wiring layer and the backlight flexible substrate in the non-light emitting area, the pad connection member contacting the upper conductive layer of the wiring layer.

SPLICE PANEL ASSEMBLY, BACKLIGHT MODULE AND DISPLAY DEVICE

Provided are a splice panel assembly, a backlight module and a display device. The splice panel assembly includes a plurality of light-emitting panels. Each light-emitting panel includes a base substrate. The front face of the base substrate is provided with a plurality of light-emitting elements arranged in an array. The side face of the base substrate is provided with at least one connection electrode. The light-emitting elements are electrically connected to the at least one connection electrode. The front face is connected to and not parallel to the side face. Two adjacent light-emitting panels are electrically connected to each other by the at least one connection electrode.

BACKLIGHT MODULE, DISPLAY PANEL AND DISPLAY DEVICE
20220326573 · 2022-10-13 ·

The embodiments of the invention provide a backlight module, a display panel and a display device. The backlight module includes two sets of lamp bars arranged side by side, a first backlight driving module, a second backlight driving module, a plurality of first transfer circuit boards, a plurality of second transfer circuit boards, a plurality of first connection lines and a plurality of second connection lines. A plurality of first lamp bar units in the first set of lamp bars are coupled to the first transfer circuit board, and in turn coupled to the first backlight driving module through first connection lines. A plurality of second lamp bar units in the second set of lamp bars are coupled to the second transfer circuit board, and coupled to the second backlight driving module through second connection lines. Each first connection line is the same as the corresponding second connection line.

BINDING BACKPLANE AND MANUFACTURING METHOD THEREOF, BACKLIGHT MODULE AND DISPLAY DEVICE

The present disclosure provides a binding backplane and a manufacturing method thereof, a backlight module and a display device. The binding backplane includes: a substrate; a first trace layer on the substrate; a planarizing layer on a side of the first trace layer away from the substrate; a second trace layer on the planarizing layer and including a connecting portion and a binding portion; a surface protective layer on the second trace layer away and exposing the binding portion; and a conductive reflection structure on a side of the surface protective layer close to the substrate, wherein the conductive reflection structure includes a grounding portion, a distance between a surface of the grounding portion away from the substrate and the substrate is not greater than a distance between a surface of the binding portion away from the substrate and the substrate.

LIGHT-EMITTING SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

A light emitting substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method includes providing a base substrate; forming a first conductive pattern on the base substrate using a first mask; forming a first insulating layer on the first conductive pattern using a second mask, to form a first via hole and a second via hole; forming a second conductive pattern on the first insulating layer using the first mask, the second conductive pattern being electrically connected to the first conductive pattern through the first via hole and the second via hole; forming a second insulating layer on the second conductive pattern using the second mask, to form a third via hole; and forming a third conductive pattern on the second insulating layer using a third mask, the third conductive pattern being electrically connected to the second conductive pattern through the third via hole.

Illumination apparatus
11629847 · 2023-04-18 · ·

An illumination apparatus comprises a plurality of LEDs aligned to an array of directional optical elements wherein the LEDs are substantially at the input aperture of respective optical elements. An electrode array is formed on the array of optical elements to provide at least a first electrical connection to the array of LED elements. Advantageously such an arrangement provides low cost and high efficiency from the directional LED array.

FLEXIBLE PRINTED CIRCUIT, LIGHT BAR, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE
20220326569 · 2022-10-13 ·

Embodiments of the present disclosure disclose a flexible printed circuit, a light bar, a backlight module and a liquid crystal display device. The flexible printed circuit includes a substrate and a plurality of groups of LED pads located on the substrate, wherein each group of the LED pads is configured to mount one LED lamp bead, each group of the LED pads includes a first pad, a second pad and a third pad, the firs pad, the second pad and the third pad are arranged sequentially in a first direction, the first pad and the second pad both receive a first voltage signal, the third pad receives a second voltage signal, and the first voltage signal is different from the second voltage signal.

Electronic device with five surfaces light emitting units and passivation layer covering light emitting units and substrate

An electronic device including a driving circuit substrate, a plurality of light emitting units, and a first passivation layer is provided. The driving circuit substrate includes a plurality of active elements. The light emitting units are disposed on the driving circuit substrate and electrically connected to the driving circuit substrate, and each of the plurality of light emitting units is five surfaces light emitting type. The first passivation layer covers the light emitting units and the driving circuit substrate for protecting the light emitting units. One of the active elements provides a current to a corresponding one of the light emitting units, such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%. The current includes a plurality of pulse currents spaced apart from each other, and time widths of the pulse currents are the same.