132 results about "Glow plate" patented technology

To achieve the above objective, the present invention provides the following technical solution: a handheld magnifier with an adjustable focal length, comprising an upper shell and a lower shell. The upper shell is equipped with a protection plate, a display screen, and a silicone key, while the lower shell contains a PVC film. A battery, a keyboard, a main board, a wave wheel, a sector gear, a lens assembly, and a light board are installed between the upper and lower shells. The lens assembly consists of an FPC cable, a chip, a guide fixing seat, a roller, a lens holder, a lens cover, and a glass sheet. Manual precise focusing is achieved through a mechanical transmission structure consisting of a wave wheel, sector gear, and spiral groove. This structure provides a wide adjustable range of clarity to accommodate observation needs at different distances.

The invention discloses a sudden accident alarm system for a highway, and belongs to the technical field of highway operation management. According to the system, a seven-in-one intelligent terminal integrated with a laser radar sensor, an emergency alarm button, an induction lamp, broadcasting equipment, a two-dimensional code label, a self-luminous plate and a reflective coating film is arranged along the line. A laser radar periodically scans a front 8-meter range, a primary event label is generated in combination with an emergency alarm button signal, and an accident is found in time; calling adjacent terminal data for transverse comparison, tracking a time sequence change trend, and comprehensively judging a risk level; the colors and flicker frequencies of the induction lamps are activated according to the grades, broadcast voice is triggered, and night identification is enhanced through a self-luminous plate and a reflective coating film. The system realizes on-site discovery, on-site response and on-site warning, the response time is remarkably shortened, the problems of lagging discovery and insufficient warning of a traditional monitoring means are solved, and the emergency efficiency and the driving safety are improved.

The invention discloses full-automatic polymer film quality inspection equipment and a using method thereof, and relates to the technical field of film quality inspection.The full-automatic polymer film quality inspection equipment comprises a first frame, a light-emitting plate is installed at the top of the first frame in a penetrating mode, second plate bodies are symmetrically installed on the two sides of the first frame, and first hydraulic cylinder components are symmetrically installed at the tops of the second plate bodies; a tension sensor component is installed at the output end of the first hydraulic cylinder component, a second frame body is installed at the input end of one side of the tension sensor component, a third plate body is installed on one side of the second frame body, and a film pressing mechanism is arranged at the top of the third plate body. A thin film is placed on the top of the first frame, the two side ends of the thin film are located above the first supporting rods, then the first hydraulic cylinder component drives the pressing plate and the first supporting rods to move towards the outer sides of the two sides, and therefore the thin film is stretched, the hole area of the thin film can be increased; therefore, the photosensitive sensor component can detect the light leakage position of the film hole more easily, and the detection structure is more accurate.

The invention discloses a product front and back side detection device, and particularly relates to the technical field of keyboard product detection equipment, and the product front and back side detection device comprises a top appearance visual detection mechanism and a bottom appearance visual detection mechanism. Through cooperation of the top appearance visual detection mechanism and the bottom appearance visual detection mechanism and combination of the adsorption transfer function of the manipulator mechanism, automatic continuous detection of the front and back surfaces of a product is realized, manual overturning and repeated transfer are not needed, the detection efficiency is greatly improved, collision damage possibly occurring in the transfer process is avoided, and the product quality is improved. The main camera can be accurately positioned through a lifting sliding table, a camera front-back adjusting knob and a camera left-right adjusting knob, four sets of side light-emitting plates can adjust the height and angle to provide adaptive illumination, clear images are ensured, the detection precision is improved, misjudgment is reduced, a buffer module of the mechanical arm mechanism can buffer taking and placing impact, full-process automatic operation reduces manual intervention, and the working efficiency is improved. The method is suitable for batch production and effectively guarantees the detection quality and efficiency.

A light-emitting module and a display device are provided. The light-emitting module includes a light-emitting plate and a first light-adjusting plate, and the first light-adjusting plate is located on a light-exiting side of the light-emitting plate. The first light-adjusting plate includes: a first polymer liquid crystal layer including polymer networks and liquid crystal molecules dispersed in the polymer networks; and a first electrode layer and a second electrode layer disposed oppositely on two sides of the first polymer liquid crystal layer. The first electrode layer includes at least two first electrodes spaced apart.

The invention relates to the technical field of wastewater processing, and discloses a photo-thermal and ultrasonic combined industrial wastewater degradation device which comprises a machine body, a water storage tank is fixedly mounted at the bottom of the machine body, a treatment mechanism is arranged in the machine body, and a placement box is fixedly mounted on the right side of the machine body. According to the device and method for degrading the industrial wastewater through photo-thermal and ultrasonic cooperation, efficient degradation of multi-field coupling is achieved by optimizing a photo-thermal and ultrasonic cooperation mechanism, a light-emitting plate and a light-absorbing heating block are oppositely arranged, light energy is fully converted into heat energy, the temperature of the wastewater is increased, an ultrasonic vibration block generates a stronger cavitation effect under photo-thermal cooperation, and the effect of degrading the industrial wastewater through the ultrasonic vibration block is achieved. The catalyst adsorption plate is matched with the material guide pipe to realize dynamic supplement and cyclic utilization of a catalyst, high-concentration organic pollutants are effectively degraded, the device is reasonable in structure, reaction dead angles are reduced through the partition plate and the bubble generator, and deep removal of the pollutants is realized while energy consumption is reduced.

The utility model relates to a wall lamp of double -deck light source, including lower lamp body and the upper lamp body of movable installation on lower lamp body, lower lamp body includes lower lamp shell, the bottom disc of installation in the lower bottom part of lower lamp shell, the lower light -transmitting cover of fixed in the lower part of lower lamp shell, set up between the lower light -transmitting cover and lower lamp shell lower light -emitting plate, set up between the bottom disc and lower lamp shell drive, the top of lower light -transmitting cover is provided with round rotary groove, and round rotary groove is provided with rotary round pressing plate.

The utility model relates to the field of foundation pit monitoring, and discloses a deep foundation pit monitoring device which comprises a bottom plate, a top plate and a monitoring mechanism, four mounting plates are hinged to the outer end of the bottom plate, telescopic rods are fixedly arranged at the outer ends of the four mounting plates, and a supporting mechanism is fixedly arranged on the other sides of the four telescopic rods. The supporting mechanism comprises four movable blocks, supporting rods are hinged to the inner ends of the four movable blocks correspondingly, rotating columns are rotationally arranged at the inner ends of the four supporting rods correspondingly, a handle is fixedly arranged on one sides of the four rotating columns, the outer ends of the four rotating columns are fixedly sleeved with fixing blocks correspondingly, and light-emitting plates are fixedly arranged on one sides of the four fixing blocks correspondingly. According to the utility model, the position of the movable block can be changed by adjusting the telescopic rod, the support rod is rotatably connected with the top plate, and the movable block is hinged with the support rod, so that the height of the top plate can be flexibly adjusted, and the illumination angle of the luminous plate can be changed after the handle is rotated.

A kind of diversified inclination monitoring device based on fiber grating strain, including adsorption component, strain monitoring component and light measuring component, strain monitoring component includes the shell with one end opening, monitoring disc is set on the inner side wall of shell, counterweight is slidably arranged on monitoring disc, thin wire connecting counterweight and adsorption component and fiber grating sensor being set on thin wire, shell open end is set on adsorption component;Light measuring component includes fan-shaped light measuring seat and luminosity measuring instrument, light measuring seat includes circular arc plate, two straight flat plates with common first side and being arranged at the both ends of circular arc plate, oppositely arranged light-emitting plate and light shielding plate, light shielding plate is rotatably arranged on first side, light-emitting plate is provided with lamp plate, light shielding plate is provided with photosensitive wall connected with luminosity measuring instrument, one of straight flat plates is arranged on the outer side wall of shell on the side of counterweight rotation direction.The present application has high measurement precision, and can be used to accurately measure and calculate horizontal inclination in dynamic change state.

Light-emitting plates and display devices are provided by the present application. The light-emitting plate includes a substrate, a driving layer disposed on the substrate and including a metal wire, a pad disposed on a side of the driving layer facing away from the substrate and connected to the driving layer, a light-emitting element disposed on a side of the pad facing away from the substrate and connected to the pad; and a solder resist layer disposed on the side of the driving layer facing away from the substrate. The solder resist layer is defined with an opening configured to expose the light-emitting element. One or more vias are defined in the metal wire and the solder resist layer extends into the one or more vias.

The utility model discloses a highlight cambered surface partition detection air-cooled light source, which relates to the technical field of detection light sources and comprises a shell, a cover plate is fixedly mounted on one side of the shell, a luminous plate is fixedly connected to the bottom of the shell and is arc-shaped, a frame is fixedly connected to the inside of the shell, and a PCB (printed circuit board) is fixedly mounted on the inner wall of the frame. According to the high-brightness cambered surface subarea detection air-cooled light source, five groups of independent PCBs are arranged, each subarea can be lighted independently, a detection area can be guaranteed, meanwhile, complete and detailed detection can be carried out through a multi-angle light source, then one-time detailed detection on defects with different properties such as scratches and pits is achieved, and the detection efficiency is improved. Meanwhile, five pictures are collected by using a camera and then are subjected to puzzle processing, so that a complete picture can be generated, and the slight defects, such as slight pits, crush damages and scratches, of the mobile phone frame can be detected according to the picture.

The application discloses a light-emitting module based on a profile radiator and a preparation method thereof, which comprises a lens cover, a light-emitting plate and a radiator. N slots are arranged on the mounting surface of the radiator. The lens cover comprises a lens main body, an annular structure, a connecting section and n plug-in fastening structures. The plug-in parts in the n plug-in fastening structures are respectively inserted into the n slots on the radiator and form an interference fit. A sealing groove is formed between the inner side edge of the annular structure, the outer edge of the lens main body and the mounting surface of the radiator. The application arranges the slots penetrating through the two ends to the side surface of the radiator on the mounting surface of the radiator, and realizes the fixation of the lens cover and the radiator by using the plug-in parts on the lens cover. Meanwhile, the lens cover is divided into the lens main body and the annular structure with intervals, and the sealing groove surrounding the light-emitting plate is formed on the light-emitting module. The sealing glue is filled in the sealing groove, so that the gap between the radiator and the lens cover is closed, and a good sealing effect is achieved.

The side light-emitting structure comprises a light guide body, a sticker, a light-emitting plate and a power supply assembly, the light-emitting plate is installed on the light guide body and electrically connected with the power supply assembly, the sticker is attached to the outside of the light guide body, a plurality of light-emitting sources are arranged on the light-emitting plate, and the power supply assembly is electrically connected with the sticker. And light rays of the luminous source sequentially pass through the light guide body and the sticker and then are led out. Compared with a traditional aerosol generating device, the aerosol generating device has the advantages that a colorful visual effect can be achieved only through ingenious combination of the design of the light guide part and the sticker UI, and therefore the market competitiveness of the aerosol generating device is improved.

The invention, which relates to the technical field of device measurement, discloses a six-surface measurement cradle device comprising a clamp, a first driving mechanism and a second driving mechanism. The clamp is provided with a hollow area and is used for fixing a to-be-tested piece, and the to-be-tested piece is opposite to the hollow area and is arranged on one side of the hollow area; the first driving mechanism is in transmission connection with the clamp and can drive the clamp to turn over vertically upwards along the first axis, so that different side surfaces of the to-be-measured piece are used for being opposite to the measuring element and the bottom plate can face the light-emitting plate; and the second driving mechanism is in transmission connection with the first driving mechanism and can drive the first driving mechanism to overturn vertically upwards along a second axis, so that different side surfaces of the to-be-measured piece are used for being opposite to the measuring element, and the first axis is perpendicular to the second axis. According to the six-surface measurement cradle device provided by the invention, the measurement efficiency and accuracy are improved.

The invention aims to provide a motor vehicle license plate and a manufacturing method thereof. The motor vehicle license plate comprises a shallow-box-shaped shell, the shallow-box-shaped shell is provided with a containing space, the bottom of the shallow-box-shaped shell is provided with a penetrating opening, a plurality of light-emitting character modules are arranged in the shallow-box-shaped shell in an arrayed mode, and character faces of the light-emitting character modules face the penetrating opening and jointly form a character sequence of the license plate. The light-emitting character module comprises a light-emitting plate and a character layer arranged on the light-emitting plate, and the character layer comprises a light-shielding sheet with a hollow character part and a light-transmitting character body fixedly embedded in the hollow character part of the light-shielding sheet; the outer end face of the light-transmitting character body protrudes out of the outer end face of the anti-dazzling screen. The motor vehicle license plate with different character numbers can be manufactured through one production process, it is ensured that the license plate can be clearly displayed and is striking when light is insufficient, meanwhile, the requirement that the characters need to protrude out of the surface of the license plate is met, the motor vehicle license plate is not prone to being tampered at will, and management of the license plate is facilitated.

The utility model relates to the technical field of fan lamps, in particular to a foldable bedroom fan lamp, which is characterized in that when the foldable bedroom fan lamp is packaged, a light-emitting component is rotated backwards to be folded and stored, so that the packaging space is reduced, the transportation is convenient, and the transportation cost is saved. Comprising a motor mounting chamber and two groups of arc-shaped fixing rods, and the two groups of arc-shaped fixing rods are mounted on the outer side wall of the motor mounting chamber; the LED lamp is characterized by further comprising a connecting assembly, a fixing assembly, fan blades and a light-emitting assembly. The light-emitting assembly comprises two semi-arc-shaped bases, two semi-arc-shaped lampshades and an LED light-emitting plate, a motor assembly is arranged in the motor mounting chamber, the fan blades are mounted at the output end of the motor assembly, and the upper ends and the lower ends of the two semi-arc-shaped bases are rotationally mounted on the outer side walls of the two arc-shaped fixing rods through connecting assemblies correspondingly; lED light-emitting plates are arranged on the two sets of semi-arc-shaped bases, and the two sets of semi-arc-shaped lampshades are installed on the outer side walls of the two sets of semi-arc-shaped bases through fixing assemblies correspondingly.

The utility model relates to the technical field of lamp connecting devices, in particular to a base plate for lamp connection. The chassis used for lamp connection comprises a side cover, an inner cover is arranged above the side cover, a mounting plate is arranged above the inner cover, the side cover and the inner cover are both assembled at the bottom of the mounting plate, a power interface is formed in the mounting plate, a sound transmission hole is formed in one side of the power interface, a loudspeaker is assembled below the sound transmission hole, and a plurality of heightening foot pads are evenly distributed at the top of the mounting plate. Clamping grooves are formed in the two sides of the heightening foot pad, an inner ring is arranged at the bottom of the mounting plate, limiting blocks are evenly distributed on the inner wall of the inner ring, positioning blocks are arranged on one sides of the limiting blocks, and buckles are arranged on the inner side of the inner ring; the sound transmission holes control the distance between the mounting plate and the wall body through the heightening foot pads, so that the transmission effect of the loudspeaker can be enhanced, better hearing experience is brought to a user, meanwhile, the side light-emitting plate assembled on the lamp mounting plate emits light, more lighting effects are brought to the user, and the practicability of the base plate is effectively improved.

The alternating current charging pile comprises a base and a charging pile body, the charging pile body is fixedly installed at the top of the base, the front end and the rear end of the outer wall of the charging pile body are fixedly connected with a door body through hinges, an installation cavity is formed in the door body, and an installation frame is installed in the installation cavity; a light-emitting plate is mounted on the mounting frame, a light-emitting opening is formed in the position, opposite to the light-emitting plate, of the surface of the door body, heat dissipation openings are formed in the positions, under the door body, of the front end and the rear end of the outer wall of the charging pile body, and the heat dissipation openings communicate with the mounting cavity. In combination with the structural design, the luminous plate is arranged in the door body and the luminous opening is formed in the door body, so that a light source is brought to a user in the process of operating the charging gun through the cooperation of the luminous opening and the luminous plate, the convenience of operating the charging gun in an open parking lot area by the user is improved, and the practicability is better.

The utility model relates to the technical field of luminous label, concretely relates to a NFC anti -fake luminous label, including five layers from top to bottom are arranged in proper order, the first layer is the encapsulation protective housing, and the encapsulation protective housing is used for the whole structure sealing and waterproof dustproof, the second layer is the drawing board layer, and the graphic printing plate is used for showing commodity information or brand identification, the third layer is the light guide luminous board, and the light guide luminous board is provided with at least one light guide plate and a plurality of LED lamp pearl, and the light guide plate is used for evenly dispersing the light that LED lamp pearl emits, the fourth layer is the circuit identification board, and the circuit identification board is provided with coil and IC chip, the fifth layer is the light -proof film, is used for shielding the area that does not need to transmit light, and the illumination range is limited to improve the anti -fake identification effect, and the electric connection structure is formed between LED lamp pearl and coil and IC chip, can automatically light up after receiving the energy field generated by mobile phone NFC. Compared with prior art, the application has the remarkable advantages of novel structure, function composite and easy mass production.

The invention discloses an automobile light-emitting grating plate and a manufacturing process, and the process comprises the following steps: preparing a transparent or semitransparent plastic plate with the thickness of 0.5-4.0 mm; performing silk-screen printing on the back surface of the plate to form a design pattern, wherein the design pattern comprises a shading part and a light-transmitting part; the plastic plate is put into a heating device to be heated and softened; the softened plastic plate is put into a mold, the mold shapes the softened plastic plate, and a needed three-dimensional shape is formed on the plate; and then edge cutting is conducted on the plate to form the needed automobile grille. A light-emitting plate is installed on the side with the printed patterns, and a light-emitting controller is arranged in the light-emitting plate. The machining efficiency of new automobile grating plates can be greatly improved, and the machining cost can be greatly reduced.

The utility model discloses a coated glass finished product inspection device, which relates to the technical field of coated glass, and comprises an inspection bench and a feed roller, the feed roller is rotatably arranged below the inspection bench, and the feed roller is used for conveying coated glass; one side of the inspection bench is a feeding area, the other side of the inspection bench is a sheet receiving area, a first LED light-emitting plate is obliquely arranged in the feeding area, the included angle between the first LED light-emitting plate and the horizontal plane is 45 degrees, and the first LED light-emitting plate is used for inspecting the coated surface of the coated glass; according to the scheme, the first LED light-emitting plate is obliquely arranged in the feeding area, and the second LED light-emitting plate is horizontally arranged in the receiving area, so that the coated glass can be comprehensively inspected from different angles under different illumination conditions, the inspection difficulty is reduced, the inspection efficiency is improved, and the inspection efficiency is improved. The inspection consistency is improved, and the risk of missing inspection can be avoided; and meanwhile, the problem of eye fatigue of inspection personnel under the irradiation of a single light source is relieved, so that the working efficiency is improved.

A light-emitting panel, a circuit board and a display device. The light-emitting panel comprises a substrate, a light-emitting unit on the substrate and a plurality of first electrode traces. The light-emitting unit comprises a light-emitting subunit, and the light-emitting subunit comprises a connecting circuit unit and one light-emitting diode chip connected with the connecting circuit unit. The connecting circuit unit comprises at least two pairs of electrical contact points, each pair of electrical contact points comprising a first electrode contact point and a second electrode contact point, and only one pair of electrical contact points in each connecting circuit unit is connected with the light-emitting diode chip; at least two of the first electrode contact points electrically connected with each other are arranged adjacent to each other, and at least two first electrode contact points are arranged between at least two of the second electrode contact points electrically connected with each other. The light-emitting panel can not only improve the binding yield of the product by providing a backup pair of electrical contact points, but also reduce the power consumption of the negative electrode traces.

The application discloses a kind of waterproof systems based on automobile grating, it is related to automobile waterproof technical field, including grating component, it includes grating component, one side is equipped with opening, the rubber diaphragm is equipped in the opening, the grating component inside is equipped with LED light-emitting plate;Early warning component, it includes automobile camera and central domain controller, automobile camera is used to collect the environmental image outside grating component, central domain controller is less than preset distance threshold according to environmental image It is judged that there is splash water outside grating component, and communication connection is disconnected with LED light-emitting plate, or receive air humidity greater than preset humidity threshold from outside, output water inlet early warning signal.The application can adjust the volume of grating inner cavity by the shape change of rubber diaphragm with temperature change, and then adjust the air pressure of grating inner cavity, avoid external moisture from entering grating inside due to pressure difference inside and outside grating.

The utility model relates to the technical field of heat dissipation of lamps, and provides a quick heat dissipation LED lamp which comprises a lamp holder, a lamp cover and a lamp cover. The heat dissipation frame is installed on the supporting plate, and the heat dissipation frame comprises heat dissipation fins; the light-emitting plate is installed on one side of the supporting plate, and the heat dissipation fins deviate from the light-emitting plate; wherein the supporting plate comprises a plurality of fin installation parts, and each fin installation part is detachably provided with one heat dissipation fin. According to the LED lamp, the radiating fins of the radiating frame are detachably mounted on the supporting plate, and each fin mounting part is detachably provided with one radiating fin, so that the number of the radiating fins mounted on the supporting plate can be adjusted according to the power of the mounted light-emitting plate in the use process of the LED lamp; according to the utility model, the space layout limitation caused by the traditional integrated design can be overcome, the rapid heat dissipation effect can be achieved, and heat dissipation materials with different heat conductivity coefficients can be selected for assembly according to requirements, so that the optimal heat management effect can be achieved.

The present application relates to the field of explosion-proof lamp, specifically provides a kind of explosion-proof LED lamp, explosion-proof LED lamp includes lamp shell, quick interface, emitting group and transparent cover plate, light-emitting cavity is equipped in lamp shell, emitting group is fixed with LED light-emitting plate, quick interface is located inside lamp shell, transparent cover plate sealingly connects light-emitting cavity mouth portion.Quick interface is composed of interface shell, movable block and plug, movable block is sealingly slid in interface shell inside, shell bottom is equipped with first contact group, movable block inside is equipped with second contact group, plug contains third contact group, and is sealingly inserted with movable block, shell bottom is equipped with compression spring and is abutted with movable block, and another limiting piece fixes movable block position.The present application realizes the step-by-step conduction of electrical connection by setting sealing sliding structure, first completes the isolation connection of external circuit and internal circuit, then connects main circuit, effectively avoids the explosion risk caused by spark leakage in operation process, and compact structure, convenient maintenance.

The utility model discloses a decorative lamp installed on wall body, its technical scheme main points are including: lamp stand, its through screw fixed in wall body, lamp house, luminous board, install in the lamp stand and emit light to the lamp house, flexible conversion layer, it includes the light -transmitting layer and shading layer of butt joint fixed, upper rotating roller and lower rotating roller, upper rotating roller and lower rotating roller respectively install motor, control panel, it controls two motor synchronous same direction rotation, and control panel is connected with operating board, when motor drive conversion layer forwardly reeling, the light -transmitting layer covers in luminous board to realize the luminous board light emitting, when motor drive conversion layer reversely reeling, the shading layer covers in luminous board to realize to the luminous board shielding, adopts two motor to reel adjustment to conversion layer, makes the light of illumination board direction can emit and shield, when the light of illumination board position emits, plays strong illumination effect, when the illumination board shields, side panel light emitting plays the effect of atmosphere lamp.

The present application provides a light emitting panel, a preparation method thereof, and a light emitting apparatus, which relate to the field of display technology. The light emitting panel includes a base; a reflective layer located on a side of the base, the reflective layer includes a plurality of grooves arranged in an array; a plurality of devices located in the grooves and electrically connected to the base; a first optical film located on a side of the reflective layer facing away from the base, the orthographic projection of the first optical film on the base covers the orthographic projection of the reflective layer on the base, and at least partial areas of the reflective layer are in direct contact with the first optical film.

The utility model relates to the technical field of office appliances, in particular to an office doorplate, which comprises a fixed plate and further comprises a turnover plate, a door plate and a door plate, the inner groove is formed in the overturning plate, and an opening of the inner groove faces the right lower portion; the first light-emitting plate is fixed in the middle of the inner groove; the plastic nameplate is installed in the inner groove through a magnetic clamping assembly so that the plastic nameplate can be magnetically positioned and installed, the plastic nameplate comprises a hard plate end with the middle fixed and identification ends with the two ends capable of freely turning over, and character identifications are arranged on the surfaces of the two identification ends; according to the device, through the arrangement of a flexible clamping assembly and an inner groove, the safety and convenience of a worker when the plastic nameplate is replaced are improved, and through the arrangement of a magnetic clamping assembly, the stability of the plastic nameplate after replacement is improved.

Provided is a light-emitting panel comprising a substrate, a plurality of light-emitting device, and a reflection sheet, wherein the plurality of light-emitting devices and the reflection sheet are disposed on the same side of the substrate, the reflection sheet comprises a plurality of first through-holes, which are in one-to-one correspondence with the plurality of light-emitting devices, and the reflection sheet at an edge of the plurality of first through-holes is configured to wrap around an edge of the plurality of light-emitting device, and a gap between an edge of the plurality of first through-holes and an edge adjacent to the plurality of light-emitting devices is less than 0.1 mm, so that a distance between the edge of the plurality of first through holes and the edge of the plurality of light-emitting devices is reduced, and the size and width of the windowed area are reduced.