A system and method for removable or semi-permanent installation of a transparent organic lighting diode (TOLED) display with transparency control are disclosed. In one embodiment, the system includes a TOLED display that includes a TOLED panel with a front side and a back side, a cover glass or a touch sensor coupled to the front side of the TOLED panel, and a transparency control medium coupled to the back side of the TOLED panel to provide transparency control of the TOLED panel, wherein the transparency control medium is an electrochromic (EC) glass, a Suspended Particle Device (SPD) film, or a Polymer Dispersed Liquid Crystal (PDLC) film. The system further includes a versatile hinge assembly coupled to the TOLED display to enable the TOLED display to be used in a table top or desktop configuration or to be mounted to a support structure.

A system and method for removable or semi-permanent installation of a transparent organic lighting diode (TOLED) display with transparency control are disclosed. In one embodiment, the system includes a TOLED display that includes a TOLED panel with a front side and a back side, a cover glass or a touch sensor coupled to the front side of the TOLED panel, and a transparency control medium coupled to the back side of the TOLED panel to provide transparency control of the TOLED panel, wherein the transparency control medium is an electrochromic (EC) glass, a Suspended Particle Device (SPD) film, or a Polymer Dispersed Liquid Crystal (PDLC) film. The system further includes a versatile hinge assembly coupled to the TOLED display to enable the TOLED display to be used in a table top or desktop configuration or to be mounted to a support structure.

An object of the present invention is to provide a display device capable of achieving both an effect of preventing reflection of external light and improvement in utilization efficiency of light emitted from a light emitting element. An electroluminescent display device includes a substrate having a plurality of light emitting elements using electroluminescence, a λ/4 wavelength plate, and a polarizing plate including a patterned polarizing layer in this order, in which the patterned polarizing layer has a region A having a polarization degree of less than 80% and a region B having a polarization degree of 80% or more, and further, a position of the region A of the patterned polarizing layer corresponds to a position of the light emitting element of the electroluminescent substrate.

An organic light-emitting diode (OLED) display panel, a manufacturing method thereof, and a display device are provided. The OLED display panel includes a substrate; an array functional layer; a light-emitting layer; a thin-film encapsulation layer; and a liquid crystal layer, which is disposed on the thin-film encapsulation layer, including a first liquid crystal region arranged on a non-pixel region and a second liquid crystal region arranged on a pixel region, wherein liquid crystal molecules positioned in the first liquid crystal region are aligned parallel to the substrate.

An organic light-emitting diode (OLED) display panel, a manufacturing method thereof, and a display device are provided. The OLED display panel includes a substrate; an array functional layer; a light-emitting layer; a thin-film encapsulation layer; and a liquid crystal layer, which is disposed on the thin-film encapsulation layer, including a first liquid crystal region arranged on a non-pixel region and a second liquid crystal region arranged on a pixel region, wherein liquid crystal molecules positioned in the first liquid crystal region are aligned parallel to the substrate.

A display device includes a substrate including a display area including a light emitting area, and a peripheral area surrounding at least a portion of the display area, a first light emitting element disposed in the light emitting area on the substrate and emitting a first light, a light guide layer disposed on the first light emitting element, and transmitting a second light incident from the peripheral area to the display area, a first low refractive layer disposed on the light guide layer and having a refractive index smaller than a refractive index of the light guide layer, a second low refractive layer disposed under the light guide layer and having a refractive index smaller than a refractive index of the light guide layer and a first light control layer disposed on the first low refractive layer and having a first opening exposing the light emitting area.

A display device includes a substrate including a display area including a light emitting area, and a peripheral area surrounding at least a portion of the display area, a first light emitting element disposed in the light emitting area on the substrate and emitting a first light, a light guide layer disposed on the first light emitting element, and transmitting a second light incident from the peripheral area to the display area, a first low refractive layer disposed on the light guide layer and having a refractive index smaller than a refractive index of the light guide layer, a second low refractive layer disposed under the light guide layer and having a refractive index smaller than a refractive index of the light guide layer and a first light control layer disposed on the first low refractive layer and having a first opening exposing the light emitting area.

The present disclosure provides a transparent display device including a first substrate and a second substrate, and the second substrate is opposite to the first substrate. The light blocking element is disposed between the first substrate and the second substrate, and the light blocking element has a light transmitting opening. The light blocking element further has another light transmitting opening, and the another light transmitting opening and the light transmitting opening have different areas.

A display screen assembly, an electronic device, and an image acquisition method are provided. The display screen assembly includes: a display screen including a first region and a second region; a coupling grating, used to couple and transmit an external light being incident toward the first region to the second region; and an electroluminescent device, used to allow the external light to be incident toward the first region or block the external light from being incident toward the first region.

A display screen assembly, an electronic device, and an image acquisition method are provided. The display screen assembly includes: a display screen including a first region and a second region; a coupling grating, used to couple and transmit an external light being incident toward the first region to the second region; and an electroluminescent device, used to allow the external light to be incident toward the first region or block the external light from being incident toward the first region.