A light modulation element that can vary between a bright transparent mode and a dark scattering mode is provided. The light modulation element has a first light modulation layer and a second light modulation layer comprising nematic liquid crystals and a dichroic dye in a scattering mode when a voltage is applied. The first light modulation layer and the second light modulation layer are disposed to overlap each other. The light modulation element has an improved contrast ratio and haze-variable characteristics, without precipitation of dichroic dyes and an increase in power consumption.

The present invention provides a light control film, including: a first transparent substrate; a first transparent electrode layer; a light control layer which contains a liquid crystal compound, and which enables switching between a light transmitting state and a light scattering state in accordance with a voltage to be applied; a second transparent electrode layer; and a second transparent substrate in the stated order, wherein the first transparent substrate has a front retardation of 50 nm or less, wherein the second transparent substrate has a front retardation of 50 nm or less, and wherein the light control film has a total light transmittance of from 85% to 99% in the light transmitting state.

A switchable anti-peeping device and a manufacturing method thereof, and a display device are provided. The switchable anti-peeping device, including a first substrate and a second substrate provided opposed to each other and a light control layer therebetween, wherein the first substrate includes a first base substrate, and a first light orientation layer and a first electrode layer which are provided on the first base substrate, and the second substrate includes a second base substrate, and a second electrode layer provided on the second base substrate, and the first light orientation layer defines an angle of emergence of light passing through the first light orientation layer, and the light control layer is capable of switching between a transparent state and a scattering state. The switchable anti-peeping device can achieve switching between a wide viewing angle and a narrow viewing angle, thereby meeting real-time requirements of people in different situations.

Disclosed herein are techniques related to privacy at display devices. The techniques include an apparatus having an electroactive privacy layer of a display device. The electroactive privacy layer is configured to restrict a propagation direction of light emission associated with a display layer of the display device. The restriction of propagation is generated by micro louvers formed in the electroactive privacy layer.

A light-modulating element, a backlight module, a display device and a method for controlling the same are provided. The light-modulating element includes a first substrate and a second substrate arranged opposite to each other, and a polymer dispersed liquid crystal layer located between the first substrate and the second substrate. The light-modulating element is divided into a plurality of light-modulating zones, and the light-modulating element further includes a first electrode and a second electrode located in each of the plurality of light-modulating zone. A plurality of first electrodes located in different light-modulating zones are independently arranged, and the first electrode and the second electrode are configured to drive a deflection of polymer dispersed liquid crystal molecules in polymer dispersed liquid crystal layer.

A display panel and a display device are provided. The display panel includes a backlight module, a light-control liquid crystal cell, a collimating film layer, and a display liquid crystal cell stacked from bottom to top. The collimating film layer is configured to limit transmission of scattered light beams with large angle. The display device includes the abovementioned display panel.

A display device includes a display panel and a transparency control panel. The display panel includes a first bonding area. The transparency control panel is disposed below the display panel and includes a second bonding area. The first bonding area is not shielded by the transparency control panel, and the second bonding area is not shielded by the display panel.

A projection display device comprising a light source and an SBG device having a multiplicity of separate SBG elements sandwiched between transparent substrates to which transparent electrodes have been applied. The substrates function as a light guide. A least one transparent electrode comprises a plurality of independently switchable transparent electrode elements, each electrode element substantially overlaying a unique SBG element. Each SBG element encodes image information to be projected on an image surface. Light coupled into the light guide undergoes total internal reflection until diffracted out to the light guide by an activated SBG element. The SBG diffracts light out of the light guide to form an image region on an image surface when subjected to an applied voltage via said transparent electrodes.

An electronic device includes a first substrate, a second substrate, a first circuit board, and a first layer. The first substrate includes a first bonding area. The second substrate overlapped with the first substrate. The first circuit board bonded to the first bonding area. The first layer disposed on the first circuit board, wherein a surface of the first layer away from the second substrate has a curved surface.

The present disclosure provides an image capturing apparatus, including: a light source module configured to emit an incident light, wherein the light source module has a first surface and a second surface opposite to each other; an LCD module having a first surface and a second surface opposite to each other, wherein the second surface of LCD module faces the first surface of light source module, an air gap is formed between LCD module and light source module, and LCD module comprises a scattering layer for scattering the incident light; a light-transmitting cover plate having a first surface and a second surface, wherein first surface of the light-transmitting cover plate is configured to contact with an object to be captured, and second surface of the light-transmitting cover plate faces first surface of LCD module; and a sensor module configured to collect incident light reflected by light-transmitting cover plate.