A display substrate includes a base substrate, multiple light emitting elements, and multiple pixel circuits. The multiple light emitting elements include multiple groups of light emitting elements. At least one of the multiple groups of light emitting elements includes multiple first region light emitting elements located in a first display region and multiple second region light emitting elements located in a second display region. The multiple pixel circuits include multiple groups of pixel circuits. At least one of the multiple groups of pixel circuits includes multiple first type pixel circuits and multiple second type pixel circuits. The multiple first region light emitting elements at least include multiple first light emitting elements emitting light in a first color and multiple second light emitting elements emitting light in a second color. The multiple first type pixel circuits include multiple first pixel circuits and multiple second pixel circuits.

A display device comprises a light emitting diode (LED) which includes a porous semiconductor material, wherein the device comprises a pixel comprising a plurality of subpixels each having a light-emitting layer. A first subpixel has a first light-emitting layer having a first area A1, and a second subpixel has a second light-emitting layer having a second area A2 different from the first area A1. The first subpixel is configured to emit at a first peak wavelength, and the second subpixel is configured to emit at a second peak wavelength different from the first peak wavelength. A method of controlling this display device and a method of manufacturing said display device are also provided.

In an LED display device according to an embodiment of the present disclosure, the LED display device comprises a second pixel driving circuit on a substrate, an LED element attached to a region not overlapping the second pixel driving circuit, including a first LED element, a second LED element and a growth substrate, and providing a double light-emitting spectrum, an element fixing layer surrounding the LED element, a first pixel driving circuit on the element fixing layer, and an element protecting layer on the first pixel driving circuit. In addition, the first LED element is controlled by the first pixel driving circuit, and the second LED element is controlled by the second pixel driving circuit. Therefore, the LED display device provides a dual emission spectrum, can realized high luminance and high definition, and can prevent a pixel defect.

In an LED display device according to an embodiment of the present disclosure, the LED display device comprises a second pixel driving circuit on a substrate, an LED element attached to a region not overlapping the second pixel driving circuit, including a first LED element, a second LED element and a growth substrate, and providing a double light-emitting spectrum, an element fixing layer surrounding the LED element, a first pixel driving circuit on the element fixing layer, and an element protecting layer on the first pixel driving circuit. In addition, the first LED element is controlled by the first pixel driving circuit, and the second LED element is controlled by the second pixel driving circuit. Therefore, the LED display device provides a dual emission spectrum, can realized high luminance and high definition, and can prevent a pixel defect.

A display apparatus includes: at least one display module including a substrate and light-emitting diodes on the substrate; a cabinet configured to support the at least one display module; and a circuit case coupled to the cabinet and configured to accommodate electrical components, wherein the cabinet includes: a first frame forming an upper side of the cabinet and including a first adjustment hole having a first assembly tolerance in a left-right direction; a second frame forming a lower side of the cabinet and including a second adjustment hole having a second assembly tolerance in the left-right direction; a third frame forming a left side of the cabinet and including a third adjustment hole having a third assembly tolerance in an upper-lower direction; and a fourth frame forming a right side of the cabinet and including a fourth adjustment hole having a fourth assembly tolerance in the upper-lower direction.

Disclosed is a display substrate including a display region which includes a light-transmitting display region; the display substrate includes multiple light emitting elements and multiple pixel circuits, the multiple light emitting elements include multiple first type light emitting elements located in the light-transmitting display region, the multiple pixel circuits include multiple first type pixel circuits located in the light-transmitting display region, at least one first type pixel circuit among the multiple first type pixel circuits is electrically connected with at least two first type light emitting elements emitting light of a same color, and the first type pixel circuit is configured to drive the at least two first type light emitting elements to emit light; an orthographic projection of at least one first type pixel circuit on a base substrate is overlapped with an orthographic projection of at least one first type light emitting element on the base substrate.

An electronic device includes a substrate, a circuit layer, and a semiconductor chip. The circuit layer is disposed on the substrate. The semiconductor chip is disposed on the substrate and electrically connected to the circuit layer. The semiconductor chip includes a semiconductor die, a filler layer, a first electrode, a second electrode, and a reflective layer. The semiconductor die includes a first type semiconductor layer, an active layer, and a second type semiconductor layer stacked in sequence. The filler layer surrounds the semiconductor die. The first electrode is electrically connected to the first type semiconductor layer. The second electrode is electrically connected to the second type semiconductor layer. Additionally, a semiconductor chip and a method for manufacturing an electronic device are provided.

A red-light emitting diode, LED, includes an active layer configured to generate red light, the active layer having first and second faces that are opposite to each other, a first barrier layer located on the first face of the active layer, a second barrier layer located on the second face of the active layer, a hole blocking layer located on the first barrier layer, opposite to the active layer, the hole blocking layer being configured to prevent holes to escape from the active layer, a first electrode located on the second barrier layer, and a second electrode located on the hole blocking layer. A bandgap of the hole blocking layer is larger than a bandgap of the first barrier layer.

A light emitting apparatus includes a substrate, a cover layer disposed on an upper surface of the substrate and forming at least one opening that exposes at least a region of the upper surface of the substrate, a light emitting device disposed on the upper surface of the substrate exposed through the opening, and a molding layer covering the cover layer and the light emitting device.

A light emitting apparatus includes a substrate, a cover layer disposed on an upper surface of the substrate and forming at least one opening that exposes at least a region of the upper surface of the substrate, a light emitting device disposed on the upper surface of the substrate exposed through the opening, and a molding layer covering the cover layer and the light emitting device.