A light emitting device having excellent utilization efficiency of light and suppressed external light reflection. The light emitting device includes a display element, a /4 plate, and a polarizer, in which the display element has a substrate, a plurality of light emitting elements disposed on the substrate, and a colored layer disposed on at least a part of a region on the substrate, where the light emitting elements are not present, the colored layer containing at least one colorant selected from the group consisting of a pigment and a dye, and an average visible light transmittance of the polarizer is 44% to 55%.

A display panel includes an integrated circuit substrate, a light-emitting device layer and a second electrode. The light-emitting device layer includes light-emitting devices disposed respectively in light-emitting areas and insulating layers disposed respectively in insulating barrier areas, and each insulating barrier area is disposed between two adjacent light-emitting areas. Each insulating layer has opposite ends respectively connected to the second electrode and the integrated circuit substrate and each light-emitting device is surrounded by several insulating layers, so that the several insulating layers, the second electrode and the integrated circuit substrate together form a closed accommodating chamber for accommodating the light-emitting device.

A display device includes a display area in which a plurality of pixels, each including a plurality of pixel electrodes spaced apart from each other, are disposed. A first light blocking layer is disposed in the display area and includes a plurality of holes overlapping the plurality of pixel electrodes. A plurality of color filters is disposed on the first light blocking layer and respectively corresponds to the plurality of holes. A second light blocking layer is disposed on the color filter and corresponds to the pixel electrodes of some of the plurality of pixels. The second light blocking layer surrounds the pixel electrodes of some of the plurality of pixels in a plan view and includes a plurality of light blocking patterns having different widths.

Disclosed are a display panel and a display device. The display panel is provided with an display region and a peripheral region, and includes a display substrate and at least one alignment mark disposed in the peripheral region. The display substrate is sequentially provided with a first packaging layer, a light-shielding layer, and a second packaging layer at a side, distal to the base substrate, of a second electrode layer. The light-shielding layer is provided with an opening hole, and a distance between a medial edge of the opening hole and a first end of the light-shielding layer is greater than a distance between a lateral edge of the opening hole and a second end of the light-shielding layer.

A display apparatus including an oxide semiconductor is provided. The display apparatus includes a driving circuit and a light-emitting device on a display area of a device substrate. The driving circuit can be electrically connected to the light-emitting device. The driving circuit can include at least one thin film transistor. A semiconductor pattern of the thin film transistor can include an oxide semiconductor. The display area can be surrounded by a barrier line. The barrier line can include a hydrogen blocking material. A barrier trench can penetrate inorganic insulating layers stacked on the barrier line. A cover pattern can be on a side-wall of the barrier trench. Thus, in the display apparatus, the movement of hydrogen from an edge of the device substrate toward the display area can be blocked. Therefore, the degradation in the reliability of the driving circuit due to the penetration of the hydrogen can be prevented.

Disclosed is a capacitive touch LED display, including an LED light-emitting assembly and a film assembly, the film assembly is fixed on a light-emitting surface of the LED light-emitting assembly, and includes a dark film, a transparent film, a white film and an insulating film; the dark film is attached onto a front side of the transparent film, a back side of the transparent film is printed with a first pattern and a first light-blocking layer, the first light-blocking layer avoids the first pattern, the transparent film is attached onto a front side of the white film, a back side of the white film is printed with a capacitive touch circuit, and the insulating film is attached onto the back side of the white film; and the white film is provided with a terminal that is electrically connected to the LED light-emitting assembly and the capacitive touch circuit.

Disclosed are a Micro LED micro-display chip and a manufacturing method thereof. The Micro LED micro-display chip includes a driver panel; multiple LED units arranged on the driver panel, wherein the multiple LED units includes multiple LED mesas in a one-to-one correspondence with the multiple LED units, and each of the LED units is independently drivable by the driver panel; a grid structure having multiple grid holes, wherein the multiple grid holes are respectively provided around the multiple LED mesas, and recess areas are formed between the LED mesas and the respective grid holes; a wavelength conversion layer provided on the grid structure, including multiple first wavelength conversion units filling the corresponding recess areas and configured to convert the first color light emitted by the LED units into second color light.

An electrostatic discharge protection device can include a first electrode extending in a first direction, an active layer, and a second electrode. The active layer has a first width in the first direction, and overlaps the first electrode. The active layer includes at least one hole in an overlapping region, and is disposed longer outwardly than one or more sides of the first electrode in a second direction intersecting the first direction. The second electrode is disposed side by side with the first electrode and includes a first connection portion to one side of the active layer.

A display device includes a substrate which includes a display area in which a plurality of pixels including a plurality of sub pixels representing different colors is disposed and a non-display area which encloses the display area, a first light emitting diode and a second light emitting diode disposed in each of the plurality of sub pixels, a first optical member which is disposed so as to overlap an emission area of the first light emitting diode and provides a viewing angle with a first value, a plurality of second optical members which are disposed so as to overlap an emission area of the second light emitting diode and provides a viewing angle with a second value which is lower than the first value, and a protective film disposed on the first optical member.

A light-emitting device includes: a substrate; light-emitting elements disposed on an upper surface of the substrate and configured to be individually driven; a wavelength conversion part covering upper and lateral surfaces of each of the light-emitting elements; a first light-shielding part located on a lower surface side of each of the light-emitting elements and a lower surface side of the wavelength conversion part; and a second light-shielding part. At least one groove is provided in the wavelength conversion part and the first light-shielding part such that a groove of the at least one groove is located between adjacent ones of the light-emitting elements. The second light-shielding part is provided within the at least one groove. In a cross-sectional view, a width of the second light-shielding part increases as a distance from the substrate increases, and the second light-shielding part is exposed at an upper surface of the wavelength conversion part.