Abstract: A micro LED and a manufacturing method thereof are provided. The micro LED includes a first semiconductor layer, an active layer, and a second semiconductor layer that are successively stacked together. The first semiconductor layer and the second semiconductor layer are of different types. The active layer includes a first quantum well layer and a second quantum well layer stacked together. The second quantum well layer and the second semiconductor layer form a nanoring. The first quantum well layer is configured to emit light of a first color. The second quantum well layer forming a sidewall of the nanoring is configured to emit light of a second color different from the first color. The first semiconductor layer is electrically coupled to a first electrode, and the second semiconductor layer is electrically coupled to a second electrode. A manufacturing method for a micro LED is provided.

Abstract: The present application provides an epitaxial wafer of a red light-emitting diode, and a preparation method therefor, by designing an n-type semiconductor layer as a gradient layer with the content of an aluminum element gradually increasing along a growth direction of the epitaxial wafer and the content of an indium element gradually decreasing along a stacking direction of the epitaxial wafer, and a constant layer with the content of an aluminum element and an indium element not changing along the growth direction of the epitaxial wafer, the potential barrier at the side close to a multi-quantum well layer gradually rises, preventing electrons and holes in the multi-well quantum layer for radiative recombination from moving to the outside of the MQW region, confining the holes and electrons to have a radiative recombination in the MQW and reducing non-radiative recombination, and also facilitating the flowing of electrons in the n-layer to the MQW region.

Abstract: A light emitting diode (LED) and a light purification method therefor are provided, which belong to the technical field of LED. The LED includes an epitaxial structure and a light purification layer plated on the epitaxial structure. The light purification layer includes a first reflection layer and defines multiple light-exiting holes. The first reflection layer is plated on the epitaxial structure. The multiple light-exiting holes each extend through the first reflection layer and have an aperture which is N times a preset wavelength of an exit light, N being an integer and N?1.

Abstract: A light emitting diode (LED) and a light purification method therefor are provided, which belong to the technical field of LED. The LED includes an epitaxial structure and a light purification layer plated on the epitaxial structure. The light purification layer includes a first reflection layer and defines multiple light-exiting holes. The first reflection layer is plated on the epitaxial structure. The multiple light-exiting holes each extend through the first reflection layer and have an aperture which is N times a preset wavelength of an exit light, N being an integer and N?1.

Abstract: A light emitting diode (LED) is provided in the disclosure. The LED includes a first contact electrode, a first semiconductor layer, a light emitting layer, a second semiconductor layer, a current diffusion layer and a second contact electrode that are successively stacked. Multiple micro-structures extend through the light emitting layer and the second semiconductor layer in a stacking direction of the light emitting layer and the second semiconductor layer, where the multiple micro-structures each defines a borehole space. The borehole space has opposite ends which are respectively closed by the first semiconductor layer and the current diffusion layer. Quantum dots are filled in the borehole space of the multiple micro-structures. Lights of corresponding colors are emitted by exciting corresponding quantum dots with a part of blue lights emitted by the micro-structures.

Abstract: This disclosure relates to a superlattice structure, an LED epitaxial structure, a display device, and a method for manufacturing the LED epitaxial structure. The superlattice structure includes at least two superlattice units which are grown in stacking layers. Each of the at least two superlattice units includes a first n-type GaN layer, a second n-type GaN layer, a first n-type GaInN layer, and a second n-type GaInN layer which are grown in stacking layers. The first n-type GaN layer has a doping concentration which is constant along a growth direction, the second n-type GaN layer has a doping concentration which gradually increases along the growth direction, the first n-type GaInN layer has a doping concentration which gradually decreases along the growth direction, and the second n-type GaInN layer has a doping concentration which is constant along the growth direction.

Abstract: A micro LED and a manufacturing method thereof are provided. The micro LED includes a first semiconductor layer, an active layer, and a second semiconductor layer that are successively stacked together. The first semiconductor layer and the second semiconductor layer are of different types. The active layer includes a first quantum well layer and a second quantum well layer stacked together. The second quantum well layer and the second semiconductor layer form a nanoring. The first quantum well layer is configured to emit light of a first color. The second quantum well layer forming a sidewall of the nanoring is configured to emit light of a second color different from the first color. The first semiconductor layer is electrically coupled to a first electrode, and the second semiconductor layer is electrically coupled to a second electrode. A manufacturing method for a micro LED is provided.

Abstract: A light-emitting diode (LED) chip is provided. The LED chip includes a first semiconductor layer, a second semiconductor layer, a first electrode electrically connected with the first semiconductor layer, and a second electrode electrically connected with the second semiconductor layer. The first electrode is in an annular shape and surrounds the second electrode. The first electrode and the second electrode cooperate to define a first channel therebetween. The first channel is in an annular shape. The first electrode defines at least one second channel therein. The at least one second channel extends through an inner side and an outer side of the first electrode and communicates with the first channel. A communication between the first channel and the second channel facilitates solder volatiles during soldering the LED chip, and potential short circuits can be further avoided. A display panel and an electronic device are further provided.

Abstract: A light emitting diode (LED) chip and a method for manufacturing an LED chip are provided. The LED chip includes a sapphire layer, an N-type semiconductor layer, a light emitting layer, a P-type semiconductor layer, a P electrode, and an N electrode. The N-type semiconductor layer, the light emitting layer, the P-type semiconductor layer, the P electrode are sequentially disposed on a surface of the sapphire layer. The sapphire layer defines multiple preset patterns which extend through the sapphire layer, and the multiple preset patterns are used for reflecting a light of a preset wavelength through a channel defined by the sapphire layer.

Abstract: A method for micro-LED epitaxial wafer manufacturing and a micro-LED epitaxial wafer are provided. The method includes the following. For each growth region of a micro-LED chip on a growth substrate, photoresist is applied to the growth region. For each growth region, an epitaxial isolation wall is grown at a boundary of the growth region. For each growth region, the photoresist on the growth substrate is removed with the epitaxial isolation wall remained. For each growth region, a first semiconductor layer, a light-emitting layer, and a second semiconductor layer are grown in the growth region to obtain a micro-LED epitaxial structure. The growth substrate is cut along the epitaxial isolation wall, to obtain at least two micro-LED epitaxial structures.

Abstract: A rolled sheet material dispenser, used for dispensing a sheet material on a reel, includes a box and a clamping assembly. The clamping assembly includes a first clamping member, a second clamping member and at least one elastic member. The first clamping member or/and the second clamping member may be a roller. The roller is pivotally connected to the box through a pair of rolling bearings and adjacent to a dispensing opening. The roller is connected with the elastic member so that the roller can be displaced by an elastic force of the elastic member to a clamping position and can be supported by the rolling bearings to clamp the sheet material stably.

Abstract: A rolled sheet material dispenser, used for dispensing a sheet material on a reel, includes a box and a clamping assembly. The clamping assembly includes a first clamping member, a second clamping member and at least one elastic member. The first clamping member or/and the second clamping member may be a roller. The roller is pivotally connected to the box through a pair of rolling bearings and adjacent to a dispensing opening. The roller is connected with the elastic member so that the roller can be displaced by an elastic force of the elastic member to a clamping position and can be supported by the rolling bearings to clamp the sheet material stably.

Abstract: A data storage device including a flash memory and a controller. The flash memory includes a plurality of blocks, and each of the blocks has a plurality of pages. The controller receives a write command which is arranged to write a plurality of data sectors into a plurality of first pages of a first block of the blocks, calculates an offset index according to a first erase count of the first block, retrieving a plurality of seeds from a random seed table according to the offset index, encodes the data sectors by using the retrieved seeds to obtain a plurality of encoded data sectors, and writes the encoded data sectors into the first pages.

Abstract: A coating includes an organosiloxane polymer and a mesoporous silica material bonded with the organosiloxane polymer. A monomer of the organosiloxane polymer is and the surface of the mesoporous silica material includes a hydrophilic group. A method for manufacturing the coating includes the following steps. Provide an organosiloxane polymer polymerized from a plurality of organosiloxanes including a terminal functional group. Provide a mesoporous silica precursor including a surface functional group. The organosiloxane polymer and the mesoporous silica precursor are blended in a solution, so that the surface functional group reacts with the terminal functional group to form a bond, and a mesoporous silica material is formed, as well as the surface of the mesoporous silica material includes a hydrophilic group. A film including a thickness of 0.1-500 ?m is formed by the coating.

Abstract: A data storage device including a flash memory and a controller. The flash memory includes a plurality of blocks, and each of the blocks has a plurality of pages. The controller receives a write command which is arranged to write a plurality of data sectors into a plurality of first pages of a first block of the blocks, calculates an offset index according to a first erase count of the first block, retrieving a plurality of seeds from a random seed table according to the offset index, encodes the data sectors by using the retrieved seeds to obtain a plurality of encoded data sectors, and writes the encoded data sectors into the first pages.

Abstract: A coating includes an organosiloxane polymer and a mesoporous silica material bonded with the organosiloxane polymer. A monomer of the organosiloxane polymer is and the surface of the mesoporous silica material includes a hydrophilic group. A method for manufacturing the coating includes the following steps. Provide an organosiloxane polymer polymerized from a plurality of organosiloxanes including a terminal functional group. Provide a mesoporous silica precursor including a surface functional group. The organosiloxane polymer and the mesoporous silica precursor are blended in a solution, so that the surface functional group reacts with the terminal functional group to form a bond, and a mesoporous silica material is formed, as well as the surface of the mesoporous silica material includes a hydrophilic group. A film including a thickness of 0.1-500 ?m is formed by the coating.

Abstract: A method of modifying a phosphor and a phosphor composition and a manufacturing method of the same and a phosphor solution are provided. The phosphor composition includes a silicone resin and a modified phosphor. The modified phosphor includes a phosphor and a nano-silica particle. The nano-silica particle is adhered to the phosphor. A weight ratio of the modified phosphor to the silicone resin is substantially between 1:0.005 and 1:0.1.

Abstract: A reactive silicon dioxide compound, wherein the formula of the reactive silicon dioxide compound is shown as Formula (I): where each R is a reactive group shown as Formula (II) or Formula (III), independently: and where R1, R2 and R3 include H or CH3, independently, n1 is an integer of about 1-6 and n2 is an integer of about 0-4. An optical protective film containing the reactive silicon dioxide compound is also provided.

Abstract: The invention provides a liquid crystal display, which includes an LCD panel and a first polarizing film and a second polarizing film respectively formed on the two sides of the LCD panel, wherein the first polarizing film is directly formed on the LCD panel, and the first polarizing film and a second polarizing film respectively includes a polarizer and a first pressure sensitive adhesive (PSA) and a second PSA formed on the two sides of the polarizer, wherein the first PSA is closer to the LCD panel than the second PSA, and the first PSA of the first polarizing film is directly formed on the LCD panel.

Abstract: Disclosed are a biomass chemical toner composition and a method for manufacturing the same. First, a biomass resin is mixed with a first hydrophobic resin to form organic particles. The organic particles, a second hydrophobic resin, and a pigment are mixed by emulsion aggregation to form cores. Subsequently, a third hydrophobic resin is formed on the surface of the cores, and the third hydrophobic resin is further heated and coalesced to form a continuous structure encapsulating the cores. Accordingly, the biomass chemical toner obtained from the described method has good anti-humidity, good charge stability, and low fusing temperature.