A display device having switchable viewing angle includes a display panel including a first emission area, a second emission area, a third emission area and a fourth emission area, from which light in different wavelength bands is emitted, and a transparent photochromic layer disposed on at least one surface of the display panel, wherein each of the first emission area, the second emission area and the third emission area emits light in a wavelength band of visible light, the fourth emission area emits light in a wavelength band of ultraviolet ray, and when the fourth emission area is in an emission state, an area of the photochromic layer including the area corresponding to the fourth emission area is an opaque area, and wherein when the fourth emission area is in a non-emission state, an area of the photochromic layer including the area corresponding to the fourth emission area is a transparent region, thereby providing a display device capable of switching viewing angles.

The present application proposes a display panel and a display device. The display panel includes a first sub-display panel and a second sub-display panel disposed on one side of the first sub-display panel. The first sub-display panel includes a first substrate and a driving circuit layer disposed on the first substrate, and the driving circuit layer allows the first sub-display panel or/and the second sub-display panel to transmit light.

The present disclosure provides a display device, including: a light emitting device and a light adjusting layer, the light adjusting layer being on a light emitting side of the light emitting device, and the light emitting device being configured to generate and emit light having a wavelength in a wavelength range of visible light, wherein the light adjusting layer is configured to block light having a wavelength in a partial wavelength range of blue light from passing through when subjected to an external stimulus and allow the light having the wavelength in the partial wavelength range of blue light to pass through when the external stimulus is removed, and the light adjusting layer includes a responsive photonic crystal.

Disclosed are an array substrate, a method for manufacturing the same, and a display device. The array substrate includes a base substrate and an organic light-emitting diode (OLED), a photoelectric conversion layer and a light-filtering layer which are on the base substrate, wherein the OLED and the light-filtering layer both are on a side, distal from the base substrate, of the photoelectric conversion layer, an orthographic projection of the photoelectric conversion layer on the base substrate is at least partially overlapped with an orthographic projection of the light-filtering layer on the base substrate, the orthographic projection of the photoelectric conversion layer on the base substrate is outside an orthographic projection of the OLED on the base substrate, the light-filtering layer is light transmittable, and a transmittance of the light-filtering layer to light in a target band is smaller than or equal to a transmittance thresholds.

A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.

In a flexible display device, a transistor layer, a light-emitting element layer, a sealing layer, a first flexible substrate, a λ/4 layer, a linear polarizer, an overcoat layer, and a water repellent layer are provided in this order on a second flexible substrate, and the water repellent layer is provided so as to overlap with at least an end portion of the overcoat layer.

A display device includes a base layer, a light emitting element layer disposed on the base layer, and an encapsulation layer disposed on the light emitting element layer, wherein the encapsulation layer includes an organic film containing a photochromic material that changes color upon stress, and accordingly, the display device may keep satisfactory colors even when highly stretched.

A method of manufacturing a display apparatus includes preparing a panel with a panel layer displaying images, a first protection film on a first surface of the panel layer with a first adhesion layer, and a second protection film on a second surface of the panel layer with a second adhesion layer, disposing the panel on a stage, cutting the panel on the stage along a closed-curve line to a predetermined depth extending from the second protection film to at least a portion of the first adhesion layer, and separating a first portion of the panel inside the closed-curve line from a second portion of the panel outside the closed-curve line, such that the second portion is removed simultaneously with the entire first protection film according to a first boundary by the line and a second boundary between the panel layer and the first protection film.

An image light generation device of the present disclosure includes first to third display elements configured to emit first to third color light, respectively, and a color synthesis element configured to synthesize the first to third color light. The color synthesis element includes first to third prisms, a first dichroic film configured to reflect the first color light and transmit the second and third color light, and a second dichroic film configured to reflect the second color light and transmit the third color light. The first and second prisms are joined together through a first dichroic film with no air layer therebetween, the second and third prisms are joined together through a second dichroic film with no air layer therebetween, and the main light beam incidence angle of the third color light to the second dichroic film is 40 degrees or greater.

A display device includes a display panel including a main portion, a first bent portion and a second bent portion each extending from the main portion, and a corner portion which connects the first bent portion and the second bent portion to each other and is bendable relative to the main portion. The corner portion which is bendable includes a plurality of protrusion patterns partially disconnected from each other and each bendable relative to the main portion, and each of the plurality of protrusion patterns including a display pixel