The invention is related to a back-light device. The back-light device comprises a reflection structure and a back-light plate. A plurality of light-emitting elements, disposed on the back-light plate, face a light-entering side of the reflection structure, and the emitted light of the light-emitting elements enters the light-entering side of the reflection structure and is reflected to a light-emitting side of the reflection structure by the reflection of the reflection structure for forming a back-light source emitted to a display panel.

A light source member including a substrate, and a plurality of unit light source cells disposed on the substrate and arranged in a matrix, each of the unit light source cells including a light source driving electrode disposed on the substrate, a light source disposed on the substrate and electrically connected to the light source driving electrode, an organic layer disposed on the substrate and exposing the light source and at least a part of the light source driving electrode, the organic layer having an upper surface including a concavo-convex pattern, and a heat dissipation layer disposed on the organic layer and contacting the light source driving electrode.

A display module is disclosed. The display module includes a substrate, a plurality of micro light-emitting diodes (micro-LEDs) disposed on the substrate and configured to radiate light, a reflective layer surrounding a lateral surface of each of the plurality of micro-LEDs, and a light blocking layer disposed on the reflective layer.

A backlight module and a display device are disclosed. The backlight module includes a framework, a light plate, and a plurality of lamp beads. The framework includes a light plate mounting groove. At least two sides of the framework define heat dissipation ports. The light plate is installed in the light plate mounting groove. A cavity is defined inside the light plate, and the cavity communicates with the heat dissipation port. The lamp beads are disposed on the light plate, and pins of the lamp beads extend into the cavity. The framework and the light plate jointly form a supporting structure of the backlight module.

A diffusion sheet structure includes a transparent substrate and a diffusion film. The transparent substrate includes a first upper surface and a first lower surface. The diffusion film is disposed on the transparent substrate and includes a plurality of nano diffusion particles, and has a second upper surface and a second lower surface. The second lower surface is connected to the first upper surface. Janus material in a diffusion sheet is used in the present disclosure to replace diffusion particles of prior art, which not only retains original function of diffusing light, but also has excellent thermal conductivity, thereby improving thermal uniformity, making the liquid crystal display panel be heated uniformly, and reducing influence of temperature on liquid crystal material during lighting, thereby improving the problem of local area whitening.

The present invention discloses a chip heat dissipation structure and a liquid crystal display device, and the chip heat dissipation structure includes: a chip contact end and a backplate contact end. The chip heat dissipation structure is made of thermal conductive material. The backplate is a backplate on a bottom of a backlight module in the liquid crystal display device. The present invention by conducting heat generated by the chip to the backplate lowers the increased temperature of the chip to solve the issue the heated surface of the liquid crystal display device.

A backlight module and a manufacturing method of same are provided by this disclosure. The backlight module includes a frame, a thermoelectric device group, a first heat conductive layer and a lamp plate. The thermoelectric device group is disposed on a bottom surface inside the frame. The first heat conductive layer is disposed on a surface at a side of the thermoelectric device group away from the frame. The lamp plate is disposed on a surface at a side of the first heat conductive layer away from the frame.

Disclosed is a liquid crystal display device including: a liquid crystal display panel for displaying an image; a backlight unit for irradiating light toward a rear surface of the liquid crystal display panel; a cover bottom formed therein with a space in which the liquid crystal display panel and the backlight unit are installed; and a glass attached to a front surface of the liquid crystal display panel to protect the liquid crystal display panel, wherein the liquid crystal display panel and the backlight unit are spaced apart from each other so that air moves through a space between the liquid crystal display panel and the backlight unit. Accordingly, a sealed space is formed inside the liquid crystal display device, and the air inside the sealed space is circulated, so that thermal equilibrium is induced inside the sealed space.

A backlight for an image forming device includes spaced-apart front and back optical reflectors defining an optical cavity therebetween, and at least one light source for emitting light into the optical cavity. The front optical reflector may be disposed between the image forming device and the back optical reflector. For substantially normally incident light and for nonoverlapping first and second wavelength ranges, the front optical reflector may transmit at least 70% of light for each wavelength in the first wavelength range, and may reflect at least 70% of light for each wavelength in the second wavelength range. The back optical reflector may reflect at least 70% of light for each wavelength in the first wavelength range, and may transmit at least 70% of light for each wavelength in the second wavelength range. The emitted light may have at least one wavelength in the first wavelength range and at least one wavelength in the second wavelength range.

A backlight module includes a drive substrate and a plurality of light sources. The drive substrate has a first side on which the plurality of light sources are provided at intervals. The backlight module further includes a first heat dissipation layer. The first heat dissipation layer is a transparent film and disposed on the first side of the drive substrate and located between adjacent light sources, to be directly in contact with the light sources, so as to block the light sources and absorb the heat of the light source and radiate heat, which is beneficial for reducing or eliminating the thermal coupling between adjacent light sources and helping the first side of the drive substrate to dissipate heat, so that the designed backlight module has better thermal stability and longer service life.