G02F1/133611

Display device and backlight apparatus thereof
11710464 · 2023-07-25 · ·

A backlight apparatus includes a circuit board, a control board, and a connection cable connecting the above components. A first light source driver and a second light source driver are disposed on the circuit board and are electrically connected to a plurality of first light sources and a plurality of second light sources respectively. A connector is disposed on the circuit board. The first and second light source drivers are individually electrically coupled in series to the connector. The control board outputs electrical power, a first data stream, and a second data stream. The first light source driver controls the first light sources to light individually according to the first data stream. The second light source driver controls the second light sources to light individually according to the second data stream. Thereby, the circuit board can control the operation of the light sources individually.

Light source module and method for manufacturing the same, and backlight module and display device using the same

A light source module and a method for manufacturing the same, and a backlight module and a display device using the same are provided. The method includes the following steps. A reference light source module is provided. The reference light source module comprises a substrate and plural light-emitting units arranged on the substrate. Then, plural optical trends between every two adjacent light-emitting units are obtained. Then, plural optical ratios between every two adjacent light-emitting units are calculated, in which each of the optical ratios is a ratio of each of the optical trends to a total reference optical trend of the reference light source module. Then, plural target distances are calculated according to the optical ratios and plural initial distances between every two adjacent light-emitting units are adjusted according to the target distances, thereby forming a target light source module.

DIRECT-TYPE BACKLIGHT LIQUID CRYSTAL DISPLAY DEVICE
20230004048 · 2023-01-05 ·

A direct-type backlight liquid crystal display device is provided, which includes a frame including a main frame, a bottom plate; a liquid crystal display panel, on a top surface of the main frame and parallel to the bottom plate, the liquid crystal display panel includes an array substrate, a color film substrate, a liquid crystal layer and a frame sealant, a pixel unit on the color film substrate includes a sub pixel, the sub pixel on a side of the color film substrate along a first direction parallel to the color film substrate is partially blocked and covered by a black matrix, a backlight unit including a light emitting element and a light homogenizing element; a display control unit, at a lateral end surface of the liquid crystal display panel and electrically connected with the liquid crystal display panel at the lateral end surface of the liquid crystal display panel.

PLANAR LIGHT SOURCE AND METHOD OF MANUFACTURING PLANAR LIGHT SOURCE
20230003933 · 2023-01-05 · ·

A method of manufacturing a planar light source includes: providing a wiring substrate; locating a light guide plate on a first principal face of the wiring substrate, wherein the light guide plate includes a plurality of unit regions arranged in one dimension or two dimensions, and a plurality of through holes that are open at the a principal face and a second principal face of the light guide plate, wherein at least one of the through holes is located in the unit regions; locating light sources in the through holes in the unit regions on the first principal face of the wiring substrate; locating a first light transmissive member in a first of the through holes; and locating a second light transmissive member in the first through hole.

Display device having reflecting sheet with plurality of dot areas reducing reflectivity of the reflecting sheet
11566776 · 2023-01-31 · ·

A display device includes a display panel; a frame at a rear of the display panel, the frame including a bottom and a sidewall extending from the bottom; a substrate on the frame; a light source mounted on the substrate; a lens mounted on the light source in which the lens includes an upper surface, a lower surface, and a side surface connected with the upper surface and the lower surface; a reflecting layer between the substrate and the lens; and a plurality of dots formed on a top surface of the reflecting layer. Further, the lower surface of the lens includes a groove in which the light source is inserted, and the plurality of dots is arranged around the light source and only in an area under the lens between the side surface and the groove.

Backlight assembly and formation method thereof, and display apparatus

A backlight assembly and its formation method, and a display apparatus are provided in the present disclosure. The formation method includes a circuit board; a plurality of light-emitting elements, disposed at a side of the circuit board; and a light guide element, configured to transmit light emitted from the plurality of light-emitting elements to a display element according to a preset light-guiding path. The backlight assembly transmits the light emitted from the light-emitting elements to the display element according to the preset light-guiding path through the light guide element, which improves the utilization rate of the light emitted from the light-emitting elements and emits higher brightness backlight through relatively low energy consumption.

BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME
20230026878 · 2023-01-26 ·

A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.

Luminous body, and light emitting film, light emitting diode and light emitting device including the same

The present invention provides a luminous body, and light emitting film, light emitting diode and light emitting device including the same. The luminous body can include a plurality of emission moieties each including an inorganic emission particle and a coating layer surrounding a surface of the inorganic emission particle, and an encapsulation moiety connected to the coating layer and surrounding the plurality of emission moieties. The present invention further provides a light emitting film, a liquid crystal display device, a light emitting diode package, a light emitting diode and a light emitting display device including the luminous body.

Light-emitting module and electronic device
11561434 · 2023-01-24 · ·

A light-emitting module is provided. The light-emitting module includes a circuit substrate and a first light-emitting element disposed on the circuit substrate. The light-emitting module also includes an optical pattern disposed on the circuit substrate and adjacent to the first light-emitting element. The light-emitting module further includes a lens covering the first light-emitting element and the optical pattern.

Display apparatus

A display apparatus includes a display panel and a backlight module. The backlight module includes: a back plate, a micro light emitting diode light board, and a diffusing plate bracket. The micro light emitting diode light board includes a plurality of through holes, the diffusing plate bracket is arranged in the through holes and fixed on the back plate via the through holes.