A heat dissipation structure of the door leaf of an LED display box, comprising a box frame (100) and a box door leaf (200), a heat collection cavity (300) is simultaneously formed in the box frame (100) and on the backs of the LED display modules, when working, a number of the LED display modules are energized and emitting light, and the light is irradiated forward, and the heat generated by the operation of the LED display modules is concentrated in the heat collection cavity (300), the box door leaf (200) comprises an outer door leaf plate (210) and an inner lining board (220), wherein the inner lining board (220) is arranged on the inner side (211) of the outer door leaf plate (210), and at the same time, a ventilation and heat dissipation channel (400) is formed between the inner lining board (220) and the outer door leaf plate (210), the ventilation and heat dissipation channel (400) is in communication with the heat collection cavity (300), the ventilation and heat dissipation channel (400) comprises an air inlet (410) and an air outlet (420), wherein the air inlet (410) is in communication with the heat collection cavity (300), and the air outlet (420) is arranged on the outer door leaf plate (210), the box heat source part (500) is fixedly connected to the inner side (221) of the lining board, and at the same time, the box heat source part (500) is located in the heat collection cavity (300).

An electronic device is disclosed and includes a substrate, a circuit layer, and a plurality of diodes. The substrate has a plurality of structures. The circuit layer is disposed on the substrate. The diodes are disposed on the circuit layer, wherein a first spacing is defined as a distance between a center point of a first one of the structures and a center point of a second one of the structures, a second spacing is defined as a distance between a center point of a third one of the structures and a center point of a fourth one of the structures, and an absolute value of a difference between the first spacing and the second spacing is less than 0.5 times radius of curvature of the electronic device when the electronic device is bent.

According to one embodiment, a display device includes a display panel including a plurality of pixels arranged in a non-rectangular display area, and a display controller configured to display images in the display area. An opening portion of each of pixels disposed at an edge portion of the display area is light-shielded at an area ratio according to a shape of the display area.

At least one first display module selected from display modules arranged in a matrix to form a display screen for displaying an image has a first screw hole into which a first screw is screwed with the first screw pressed against a second display module placed adjacent to the first display module in forming the display screen. The first display module has a through-hole. The second display module has a second screw hole into which a second screw is screwed after the second screw is put through the through-hole toward the second display module. The second screw includes a shank having an outer diameter smaller than an inner diameter of the through-hole and a head having an outer diameter greater than the inner diameter of the through-hole.

The display panel includes a base substrate; and display areas arranged on the base substrate; each of the display areas includes pixel units; each of the pixel units includes sub-pixels; each of the sub-pixels includes a light-emitting chip; in any one of the display areas, a space between two adjacent columns of pixel units in a row direction has a first space size; and a space between two adjacent rows of pixel units in a column direction has a second space size; a space between two nearest display areas in the row direction has a third space size, and the third space size is approximately same as the first space size; and/or a space between two nearest display areas in the column direction has a fourth space size, and the fourth space size is approximately same as the second space size.

A display module comprises a support, a plurality of light-emitting elements coupled to the support and a latch mechanism to removeably couple the support to a chassis. The latch mechanism includes a movable member, a latch member, and a linkage mechanism. The movable member is moved from a first position to a second position when magnetically engaged by a tool magnet. The latch member moves between a first latch member position and a second latch member position and can engage a chassis mating structure when in the first latch member position. The linkage mechanism mechanically connects the movable member to the latch member so that they move together such that the latch member is in the first latch member position when the movable member is in the first position and is in the second latch member position when the movable member is in the second position.

An electronic device includes a substrate, an array circuit, a first distribution terminal, a second distribution terminal, a first power input terminal, a first wire and a second wire. The first distribution terminal and the second distribution terminal are disposed on a side surface of the substrate and are electrically connected to the array circuit. The first power input terminal, the first wire and the second wire are disposed on a bottom surface of the substrate. A first end of the first power input terminal is electrically connected to the first distribution terminals through the first wire. A second end of the first power input terminal opposite to the first end is electrically connected to the second distribution terminals through the second wire. A minimum distance between the first end and the first distribution terminal is less than a minimum distance between the second end and the first distribution terminal.

A time required to manufacture a self-luminous body for a display apparatus is shortened. A self-luminous body for a display apparatus includes a backplane and a plurality of stacks. The plurality of stacks are arranged on a backplane. Each stack includes a plurality of integrated self-luminous elements. The plurality of selfluminous elements in each stack include at least two self-luminous elements that are arranged at a first pitch and emit light of the same color. The plurality of stacks include a first stack and a second stack adjacent to each other. The self-luminous element of the first stack and the self-luminous element of the second stack that emits light of the same color as a color of light emitted by the self-luminous element of the first stack are arranged at a second pitch larger than the first pitch.

A display apparatus comprises a first plate including a first display panel and a first link member, wherein the first link member includes a first internal link configured to move in a longitudinal direction of the first link member, a second plate including a second display panel and a second link member, wherein the second link member includes a second internal link configured to move in a longitudinal direction of the second link member and a hinge member rotatably connecting the first link member to the second link member to thereby rotatably connect the first display panel to the second display panel, wherein at least of the first internal link and the second internal link include a first opposing link including a first rack, a second opposing link including a second rack facing the first rack, and a pinion gear interlocking the first opposing link and the second opposing link.

A display medium with a substrate provided with a plurality of virtual cells C, and, on the cell C, a partition P having a plurality of surfaces respectively formed on a plane that intersects with the substrate and exposed when the display medium is viewed from a plurality of directions. A portion exposed when the display medium is viewed from a predetermined direction among the plurality of directions is given the color of a content corresponding to the predetermined direction. The display medium displays different contents in the plurality of directions, respectively.