The purpose of the present invention is to realize a lighting device of thin, low power consumption and high emitting efficiency. A concrete structure of the inventions is as follows. A lighting device including a first light guide and a second light guide stacked on the first light guide, a reflecting sheet disposed under the first light guide, and a prism sheet disposed on the first light guide, in which a concentric first prism array is formed on the prism sheet, a plurality of first LEDs are disposed along a circumferential direction of a side wall of a first hole of the first light guide, a plurality of second LEDs are disposed along a circumferential direction of a side wall of a second hole of the second light guide, and the plurality of the first LEDs and the plurality of the second LEDs are displaced in azimuth direction.

A stacked-screen display device and a method for controlling a display device are provided. The stacked-screen display device includes a backlight module, a light control panel and a display panel which are stacked in sequence, where the backlight module includes a backplane, a reflector and a diffuser which are stacked in sequence, and the reflector is provided with a plurality of light-emitting units, the backlight module is provided with temperature sensors, the temperature sensors are configured to detect the temperature of the backlight module to compensate the display panel according to the temperature.

Embodiments of the present disclosure are related to a backlight unit and a display device including the same, the backlight unit that a light source unit including a light source, and a light reflector surrounding the light source, and including at least one of a light reflection pattern, a light diffusion pattern, or a light source protection layer including a color conversion material is disposed can be provided. As an exposed electrode layer on a substrate is covered by the light reflector, a light efficiency can be improved by reducing a reflection loss by the electrode layer, and by various functions that the light source unit provides, a fabrication efficiency the backlight unit can be improved and the backlight unit having a thin thickness can be provided.

Embodiments of the present disclosure are related to a backlight unit and a display device, and the backlight unit in which an optical plate including an engraved pattern in which a color conversion material is disposed is positioned on a light source can be provided. As the color conversion material is disposed in the engraved pattern, a change of the color conversion material by an external factor can be prevented and an amount of the color conversion material can be reduced, thus the backlight unit providing an image quality greater or equal to a certain level and with improved reliability can be implemented easily.

The purpose of the present invention is to realize a lighting device of thin, low power consumption and high emitting efficiency. A concrete structure of the inventions is as follows. A lighting device including a first light guide and a second light guide stacked on the first light guide, a reflecting sheet disposed under the first light guide, and a prism sheet disposed on the first light guide, in which a concentric first prism array is formed on the prism sheet, a plurality of first LEDs are disposed along a circumferential direction of a side wall of a first hole of the first light guide, a plurality of second LEDs are disposed along a circumferential direction of a side wall of a second hole of the second light guide, and the plurality of the first LEDs and the plurality of the second LEDs are displaced in azimuth direction.

Darkening of the periphery of a light-emitting module in which a plurality of light-emitting units are two-dimensionally arranged is reduced. The present light-emitting module has a light-emitting region including a plurality of light-emitting units two-dimensionally arranged, the light-emitting units each including a light-guiding plate having a first main surface, a first recess opening toward the first main surface, a second main surface opposite to the first main surface, and a second recess opening toward the second main surface; a light source inside the first recess; and a light-reflective first member inside the second recess. In each of the light-emitting units, a center of the light-emitting unit and a center of the second recess coincide with an optical axis of the light source in a plan view. In at least one of the light-emitting units, a center of the first member is closer to a center of the light-emitting region than the optical axis of the light source is in a plan view.

A side-edge type surface light emitting apparatus includes: a light guide plate having a first light emitting surface, a light distribution controlling surface, and a light incident surface; a light source; an upper prism sheet disposed on the upper side of the light guide plate, the upper prism sheet having multiple first prisms on a lower side and a second light emitting surface on an upper side; and a first lower prism sheet disposed on the lower side of the light guide plate, the first lower prism sheet having multiple second prims on an upper side and a first flat surface on a lower side.

The present disclosure provides an electronic device including a driving circuit substrate, a plurality of chips, and a passivation layer. The driving circuit substrate includes a plurality of active elements. The chips are disposed on the driving circuit substrate and electrically connected to the driving circuit substrate. The passivation layer covers the plurality of chips and the driving circuit substrate. The passivation layer has a first part on one of the plurality of chips and a second part on a part of the driving circuit substrate, the second part is not overlapped with the plurality of chips, and a first thickness of the first part is less than a second thickness of the second part. The first space between adjacent two of the plurality of chips is different from a second space between another adjacent two of the plurality of chips.

Displays and eyewear devices incorporating displays are disclosed. One display includes a light source, a first display region, and a second display region. The first display region includes a first contiguous array of pixels. The first contiguous array of pixels includes a first group of pixels and a second group of pixels interspersed with the first group of pixels. The first group of pixels is adapted to emit light from the light source in only a first wavelength band and the second group of pixels is adapted to emit light from the light source in only a second wavelength band different from the first wavelength band. The second display region consists essentially of a second contiguous array of pixels. The second contiguous array of pixels is adapted to emit light from the light source in a predetermined wavelength band.

The present invention provides a liquid crystal display device having excellent display quality and suppressed occurrence of halo. The liquid crystal display device of the present invention is a liquid crystal display device including, in the following order, a first polarizer, a liquid crystal cell, a second polarizer, and a direct type backlight that uses a point light source, in which a light control member is further provided between the second polarizer and the direct type backlight, and the liquid crystal display device satisfies relationships of the following Expression (1) 70%≤(I20/I0)×100≤90%, Expression (2) 10%≤(I40/I0)×100≤35%, and Expression (3) 1%≤(I60/I0)×100≤20%.