Abstract: A substrate for epitaxial growth includes a central region that has a center of the substrate and that serves as a non-modified region, and a peripheral region that surrounds the central region in a manner to be spaced apart from the center of the substrate by a distance and that serves as a modified region having a plurality of modified points. A method for manufacturing a substrate for epitaxial growth includes providing a substrate and forming a plurality of modified points in an interior of the substrate in position corresponding to the modified region. A semiconductor device including the substrate and a method for manufacturing the semiconductor device are also disclosed.

Abstract: Provided are a beveled light-emitting lamp bead, a beveled light-emitting lamp bead holder, a manufacturing method therefor, and a display device. The beveled light-emitting lamp bead holder includes a holder body and a metal holder embedded in the holder body, where the holder body is divided by the metal holder into a cup shield located on a top side and a support structure located on a bottom side, a cup bottom in the cup shield is provided with a chip mounting surface parallel to a cup rim top surface, a bottom portion of the support structure is provided with a soldering plane, the soldering plane is electrically connected to the chip mounting surface through the metal holder, and an inclination angle is formed between the chip mounting surface and the soldering plane.

Abstract: A heat sink, a separator, and a lighting device applying the same are provided. The heat sink comprises: a housing, formed around an axis, wherein the housing has a first open end and a second open end along the axis, and a holding cavity connecting the two open ends. The housing comprises a first portion and a second portion, both formed around the axis, wherein the first portion comprises several device mounting portions distributed around the axis. The second portion comprises an outer fin set disposed around the axis in an outer peripheral region, and an inner fin set disposed around the axis in an inner peripheral region; the first portion is closer to the first open end than the second portion is to the first open end, and the outer fin set extends toward the second open end; each fin extends toward the axis.

Abstract: A vertical LED chip structure, a method of manufacturing the same, and a light-emitting device are provided. After an epitaxial structure is bonded to a substrate, the epitaxial structure is etched first to form a first mesa. After the first mesa is formed, the epitaxial structure is continuously etched at the first mesa until the epitaxial structure is etched through and a reflective layer is exposed, and a second mesa is formed. A protective layer is formed on a surface of the structure where the first mesa and the second mesa are formed. The protective layer covers the exposed reflective layer at the second mesa, protects the epitaxial structure and the reflective layer, and protects a side wall of the epitaxial structure and the reflective layer from being corroded by a processing solution after a back surface of the substrate is polished.

Abstract: A display substrate (20) and a display device (40). The display substrate (20) comprises a base substrate and a plurality of sub-pixels (100) located on the base substrate. Each sub-pixel (100) comprises a pixel circuit and a pixel electrode (134) electrically connected to the pixel circuit, and each pixel circuit comprises a driving sub-circuit. The pixel electrodes (134) each comprises an electrode body part (140) and a first electrode extension part (142) extending from the electrode body part (140). The display substrate (20) comprises first-type sub-pixels. The electrode body part (140) of each first-type sub-pixel (100) does not overlap a control electrode of the driving sub-circuit of the sub-pixel or an electrode part directly electrically connected to the control electrode, and the first electrode extension part (142) of each pixel electrode (134) at least partially overlaps the control electrode or the electrode part.

Abstract: A liquid crystal display panel (100) and a display apparatus (200). The liquid crystal display panel (100) includes a color filter substrate (1), an array substrate (2), and a sealant (3). An amorphous silicon layer (4) and a first interlayer dielectric (5) are provided between a shading layer (12) and a first substrate (11), a first through groove (12a) is formed in the shading layer (12) and the amorphous silicon layer (4), and a part of the sealant (3) is filled in the first through groove (12a) and is in direct contact with the first interlayer dielectric (5); and/or a planarization layer (22) is wrapped with a second interlayer dielectric (6), such that the planarization layer (22) is respectively separated from the sealant (3) and a second substrate (21), and the second interlayer dielectric (6) is in direct contact with the sealant (3). The phenomenon of film separation in a liquid crystal display panel is effectively alleviated, and the reliability of the liquid crystal display panel is improved.

Abstract: A light emitting device includes an epitaxial structure and first and second electrodes on a side of the epitaxial structure. The epitaxial structure includes a first-type semiconductor layer, an active layer, and a second-type semiconductor layer. The active layer is disposed between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode is disposed on the epitaxial structure to be electrically connected with the first-type semiconductor layer. The second electrode is disposed on the epitaxial structure to be electrically connected with the second-type semiconductor layer. The second electrode is in ohmic contact with a second-type window sublayer of the second-type semiconductor layer.

Abstract: Provided are a power module and a heat sink system. The power module includes a first circuit board, a second circuit board, at least one discrete component and an encapsulation body. One discrete component includes a lead frame and at least one chip, the lead frame is disposed between the first circuit board and the second circuit board, the lead frame includes two end faces and multiple mounting lateral surfaces connected in sequence, an angle is formed between one end face and one mounting lateral surface, one of the two end faces is electrically connected to the first circuit board and the other of the two end faces is electrically connected to the second circuit board, and the chip is disposed on each of the multiple mounting lateral surfaces. The encapsulation body is configured to pot a space between the first circuit board and the second circuit board.

Abstract: A display panel, a driving method thereof, and a display apparatus. The display panel includes a shift register circuit including shift units. The shift unit includes a first output circuit, a control circuit, and a first node. In a first mode, a display region includes a first sub-region refreshed with a first frequency and a second sub-region refreshed with a second frequency. The shift register circuit includes a first unit group and a second unit group. In some frames, the first and second unit groups output an active scanning level, and in some frames, the control circuit in a first shift unit supplies a non-enabling level to the first node at least after the first unit group outputs the active scanning level. The first shift unit is located in the second unit group and is adjacent to the first unit group.

Abstract: A light source module provided includes a heat sink, a circuit board, a lamp shade, and a fixing member. The circuit board is provided with one side tightly attached to the heat sink, and the other side is provided with a plurality of light sources. The lamp shade is provided with a plurality of optical lenses, the plurality of the optical lenses are respectively formed by a plurality of recesses forming on a front surface of the lamp shade, and a plurality of arc protrusions corresponding to the plurality of the recess forming on a back surface of the lamp shade. The fixing member is configured to fix the lamp shade on the heat sink to receive the circuit board in a space defined by the lamp shade and heat sink. Further, a lighting apparatus is also provided.

Abstract: Disclosed are a metal mesh touch screen and a method for manufacturing a metal mesh touch screen. The metal mesh touch screen includes the first functional electrode layer, a first adhesive layer, a second functional electrode layer and a second adhesive layer placed sequentially. The first functional electrode layer includes the first metal mesh wiring extending in a first direction and a metal material for preparing the first metal mesh wiring is a metal foil with a first rough surface and a second rough surface. The second functional electrode layer includes a second metal mesh wiring extending in a second direction and a metal material for preparing the second metal mesh wiring is the metal foil with the first rough surface and the second rough surface.

Abstract: A method for manufacturing an LED strip includes arranging conductive lines at intervals to extend along a first linear trace; arranging supporting bases at intervals along the first linear trace on the conductive lines, each supporting base including multiple conductive portions and an avoidance through-hole; each two multiple conductive portions arranged at intervals along the first linear trace, the avoidance through-hole disposed between two of the multiple conductive portions arranged along the first linear trace; soldering the supporting bases and the conductive lines so as to have each conductive line soldered to two of the conductive portions arranged along the first linear trace and one of the conductive lines spanning over the avoidance through-hole to form a spanning portion; stamp-cutting the spanning portion; disposing an LED bead on a surface of each of the supporting bases; and subjecting the LED bead and the conductive portions to a processing of soldering.

Abstract: A hyperspectral imaging method includes: providing time-domain synchronous mid-infrared ultrashort pulse and near-infrared ultrashort pulse as pump light and signal light, respectively; subjecting the signal light to optical time-stretching to broaden a pulse width of the signal light; directing the time-stretched signal light to a target sample to be detected; directing the pump light to a time delayer to adjust the time when the pump light reaches a silicon-based camera; spatially combining the time-stretched signal light from the target sample with the pump light from the time delayer; directing combined light to a silicon-based camera where the signal light is detected through non-degenerate two-photon absorption of the signal light under the action of the pump light to acquire hyperspectral imaging data; and obtaining an image of the target sample based on the hyperspectral imaging data.

Abstract: The application provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a display region and a binding region located at a periphery of the display region. The binding region is provided with a drive circuit pin and a flexible circuit board pin, and a connecting trace for connecting the drive circuit pin and the flexible circuit board pin. The connecting trace includes a first connecting line and a second connecting line connected in parallel, the first connecting line and the second connecting line are in different layers, the first connecting line is between an interlayer insulating layer and a base substrate of the display substrate, the first connecting line and the interlayer insulating layer are separated by a first insulating layer, and the second connecting line is on a side of the interlayer insulating layer away from the base substrate.

Abstract: Provided is a black matrix structure. The black matrix structure includes a plurality of black matrix strips that are intersected with each other, wherein a width the black matrix strip ranges from 2 to 2.5 microns, and a distance between any two adjacent black matrix strips in the plurality of black matrix strips ranges from 4 to 5 microns.

Abstract: Disclosed is a combined lenses-based apparatus for line laser uniformity generation. The apparatus includes a laser diode, and an aspheric focusing lens and combined lenses that are arranged behind the laser diode sequentially. The combined lenses include a cylindrical lens and a plano-convex cylindrical lens. The cylindrical lens and the plano-convex cylindrical lens are arranged on an optical path sequentially. One end surface of the aspheric focusing lens is an aspheric surface. Light emitted by the laser diode is focused by passing though the aspheric focusing lens, and the combined lenses are able to disperse a focused beam into uniform line laser.

Abstract: Provided are a backlight module, a preparation method thereof, and a display device. The backlight module includes a substrate, multiple light-emitting elements, a reflection structure and a rubber frame structure, and the multiple light-emitting elements, the reflection structure and the rubber frame structure are located on one side of the substrate. The multiple light-emitting elements and the reflection structure are located within a limited area of the rubber frame structure, and the reflection structure is located between every two adjacent light-emitting elements; and the reflection structure includes a first reflection surface adjacent to a light-emitting element, and the rubber frame structure includes a second reflection surface adjacent to the light-emitting element.

Abstract: A display panel and a display device are provided. The display panel includes a display region and a non-display region surrounding the display region. The non-display region is provided with multiple sensing components. The multiple sensing components each are configured to generate a first signal when the display panel is in a flattened state. When the display panel is in a partially-rolled state, the display panel includes a flattened part and a rolled part, a sensing component in the flattened part is configured to generate the first signal, and a sensing component in the rolled part is configured to generate a second signal. The multiple sensing components each are configured to generate the second signal when the display panel is in a fully-rolled state.