Abstract: An electronic device includes a display panel and a viewing angle control unit. The viewing angle control unit includes a first substrate; a second substrate; a first protrusion disposed between the first substrate and the second substrate; and a first shielding unit disposed between the first substrate and the second substrate and overlapped with the first protrusion, wherein the first shielding unit and the first protrusion respectively form a first projection and a second projection on the first substrate, the first and second projections respectively have a first maximum length (A) and a second maximum length (B) in a first direction satisfying the following formula (I), and the first and second projections respectively have a first maximum width (B) and a second maximum width (b) in a second direction satisfying the following formula (II): 2 ? A / a ? 1 ( I ) 2 ? B / b ? 1.

Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; and a plurality of protrusions disposed between the first substrate and the second substrate, wherein a transmittance of the plurality of protrusions is between about 0.006% and about 1.6%.

Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; and a plurality of protrusions disposed between the first substrate and the second substrate, wherein a transmittance of the plurality of protrusions is between about 0.006% and about 1.6%.

Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; a plurality of protrusions disposed between the first substrate and the second substrate; and a plurality of shielding units disposed between the first substrate and the second substrate and disposed corresponding to the plurality of protrusions. One of the shielding units forms a first projection on the first substrate, one of the protrusions forms a second projection on the first substrate, and the second projection falls within the first projection.

Abstract: A display device includes a viewing angle control panel and a backlight module. The backlight module is arranged below the viewing angle control panel, and includes a light source and an optical adjustment layer. The optical adjustment layer includes a first surface, a second surface and a plurality of openings. The second surface is arranged in opposite to the first surface and in proximity to the light source. The plurality of openings pass through the optical adjustment layer.

Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; a plurality of protrusions disposed between the first substrate and the second substrate; and a plurality of shielding units disposed between the first substrate and the second substrate and disposed corresponding to the plurality of protrusions. One of the shielding units forms a first projection on the first substrate, one of the protrusions forms a second projection on the first substrate, and the second projection falls within the first projection.

Abstract: A display device includes a viewing angle control panel and a backlight module. The backlight module is arranged below the viewing angle control panel, and includes a light source and an optical adjustment layer. The optical adjustment layer includes a first surface, a second surface and a plurality of openings. The second surface is arranged in opposite to the first surface and in proximity to the light source. The plurality of openings pass through the optical adjustment layer.

Abstract: A display device includes a display panel, a system circuit board and a backlight module. The system circuit board is electrically connected to the display panel and includes a storage unit. The backlight module is disposed corresponding to the display panel and emits a light to pass through the display panel. The backlight module has a light emitting unit, and the light emitting unit has an identical code. A color adjusting method of the display device includes the following steps of: identifying the identical code of the light emitting unit; obtaining a set of chromaticity coordinate values corresponding to the identical code; and storing the set of chromaticity coordinate values in the storage unit. Accordingly, the display device can achieve the goal of a better color presentation with lower cost.

Abstract: A micro-droplet generator comprises a main body, having a chamber accommodating liquid to be sprayed and a lateral opening, a spraying plate, placed in the opening and having a plurality of spraying holes as well as an inner side, a vibrating element, glued on the spraying plate and driving vibrations thereof, and a projection, placed inside the chamber and having an outer side touch with the inner side of the spraying plate, wherein a narrow space is left between the inner side of the spraying plate and the outer side of the projection, which upon the vibrations of the spraying plate has a varying width, upon becoming wider sucking in liquid from the chamber, and upon becoming narrower pressing out liquid through the spraying holes.

Abstract: The present invention discloses an optical element, having a first optical surface and a second optical surface for receiving an incident light, the optical element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a transparent collimation unit, for collimating the incident light, each being place on the first optical surface abutted and adjacent to the diffusion unit in an alternative manner.

Abstract: The present invention discloses an optical film with array of microstructures, having a first optical surface and a second optical surface for receiving an incident light. The optical film comprises at least a transparent microstructure formed on the first optical surface, wherein the microstructure further comprises: a first side for scattering the incident light; and a second side for collimating the incident light.

Abstract: The present invention discloses a light modulation element, having a first optical surface and a second optical surface receiving an incident light, the light modulation element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a transparent collimation unit, for collimating the incident light, each being formed on top of the diffusion unit.

Abstract: A micro-droplet generator comprises a main body, having a chamber accommodating liquid to be sprayed and a lateral opening, a spraying plate, placed in the opening and having a plurality of spraying holes as well as an inner side, a vibrating element, glued on the spraying plate and driving vibrations thereof, and a top surface carrier, placed inside the chamber and having a top surface that with the inner side of the spraying plate forms an inner part of the chamber, wherein a narrow space is left between the inner side of the spraying plate and the top surface of the projection, which upon the vibrations of the spraying plate has a varying width, upon becoming wider sucking in liquid from the chamber, and upon becoming narrower pressing out liquid through the spraying holes.

Abstract: The present invention discloses an optical film with array of microstructures, having a first optical surface and a second optical surface for receiving an incident light. The optical film comprises at least a transparent microstructure formed on the first optical surface, wherein the microstructure further comprises: a first side for scattering the incident light; and a second side for collimating the incident light.

Abstract: The present invention discloses a light modulation element, having a first optical surface and a second optical surface receiving an incident light, the light modulation element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a transparent collimation unit, for collimating the incident light, each being formed on top of the diffusion unit.

Abstract: The present invention discloses an optical element, having a first optical surface and a second optical surface for receiving an incident light, the optical element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a transparent collimation unit, for collimating the incident light, each being place on the first optical surface abutted and adjacent to the diffusion unit in an alternative manner.

Abstract: A micro-droplet generator comprises a main body, having a chamber accommodating liquid to be sprayed and a lateral opening, a spraying plate, placed in the opening and having a plurality of spraying holes as well as an inner side, a vibrating element, glued on the spraying plate and driving vibrations thereof, and a projection, placed inside the chamber and having an outer side touch with the inner side of the spraying plate, wherein a narrow space is left between the inner side of the spraying plate and the outer side of the projection, which upon the vibrations of the spraying plate has a varying width, upon becoming wider sucking in liquid from the chamber, and upon becoming narrower pressing out liquid through the spraying holes.

Abstract: A planar package structure for high power light emitting diode, comprising: a substrate; a package material; a light emitting diode chip disposed on the substrate, having a main light emitting surface served as a light source; and a planar optical modulation unit disposed on the package material, so that the planar optical modulation unit is above the main light emitting surface, and utilized for modulating the optical phase of the light source. The planar optical modulation unit can perform a refractive optical phase modulation or a diffractive optical phase modulation such that a thin and planar high power light emitting diode package element with function of optical phase modulation is obtained.

Abstract: An apparatus for improving uniformity used in backlight module is disclosed, which includes a plurality of light sources for providing an illuminating light; a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light; and at least one structured arc sheet locating at the periphery of the light source for making the illuminating light uniform.

Abstract: An apparatus for improving uniformity used in backlight module is disclosed, which includes a plurality of light sources for providing an illuminating light; a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light; and at least one structured arc sheet locating at the periphery of the light source for making the illuminating light uniform.