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248 results about "Black matrix" patented technology

Display panel and display device

Provided are a display panel and a display device. The display panel includes a base substrate, an anode layer disposed on the base substrate, a pixel defining layer located on a side of the anode layer facing away from the base substrate and including first openings, a light-emitting layer located in each of the plurality of first openings, and a black matrix located on a side of the light-emitting layer facing away from the base substrate and including second openings; where the orthographic projection of each of the plurality of first openings on the base substrate overlaps the orthographic projection of each of the plurality of second openings on the base substrate, the plurality of second openings includes first-type openings, and each first-type opening of the plurality of first-type openings is polygonal and includes at least one first-type edge.
Owner:HUBEI YANGTZE IND INNOVAION CENT OF ADVANCED DISPLAY CO LTD

Display panel and display device

PendingCN121531907ADisplay deviceColor mixing
The embodiment of the invention provides a display panel and a display device. According to the display panel, the first groove is formed in the non-pixel area of the insulating layer, the black matrix layer is arranged in the first groove, the second groove is formed in the side, away from the insulating layer, of the black matrix layer, and the color resistance layer is arranged in the second groove, so that when the color resistance is formed, even if the color resistance overflows, the color resistance can overflow into the second groove, and the color resistance is prevented from overflowing. Therefore, the risk that color mixing occurs when the color resistors are formed through ink-jet printing is reduced, the thickness of the black matrix layer does not need to be reduced, the reflectivity of the display panel is prevented from being increased, and the risk that the ink forming one color resistor overflows to the setting areas of the other color resistors is low, so that the display effect is improved. The selection range of the contact angle between the color resistor and the black matrix layer is wide, the development difficulty of a color resistor material is reduced, the middle area of the color resistor is prevented from protruding too high, and the optical performance of the display panel is improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD

STEREOSCOPED IMAGE DISPLAY DEVICE

A stereoscopic image display device is disclosed, comprising a structure in which a display panel includes a display area and a non-display area surrounding the display area and displays an image through the display area, a 3D lens is arranged on one side of the display panel, the display panel comprises a base substrate, at least one light-emitting element arranged on the base substrate, a black matrix arranged above the at least one light-emitting element and having at least one first aperture, at least one lens arranged in the at least one first aperture, and at least one color filter arranged such that it faces the at least one lens, and respective side sections of the at least one lens and the at least one color filter are arranged such that they correspond in the first aperture of the black matrix, and the device may be lighter and thinner.
Owner:LG DISPLAY CO LTD

Display substrate, preparation method thereof and display device

ActiveCN115702610BDisplay deviceTransmittance
The application provides a display substrate, a preparation method thereof and a display device. The display substrate comprises a substrate, an encapsulation layer, a light filtering layer and an optical film layer. The encapsulation layer is located on the substrate, the light filtering layer is located in the encapsulation layer, and the light filtering layer comprises a black matrix. The black matrix comprises a black matrix opening. The optical film layer is located on a side of the encapsulation layer away from the substrate. The optical film layer is configured to partially transmit and partially absorb incident light. The light transmittance of the optical film layer is greater than that of the black matrix. The optical film layer comprises an optical film layer opening. The projection of the optical film layer opening on the substrate is located within the projection of the black matrix opening on the substrate. The technical scheme provided by the embodiment of the application can improve the dark state color separation phenomenon.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Display device

PendingUS20260033113A1Display deviceHemt circuits
A display device including a micro light-emitting element is disclosed. The display device includes a substrate including a display area and a non-display area; a driving circuit disposed on the substrate; a plurality of light-emitting elements disposed on the driving circuit and electrically connected to the driving circuit; an optical insulating layer covering the plurality of light-emitting elements; and a black matrix disposed on the optical insulating layer so as to cover the display area, wherein the black matrix has a plurality of openings defined therein so as to respectively correspond to and vertically overlap the plurality of light-emitting elements, wherein at least two of the plurality of openings have the same size.
Owner:LG DISPLAY CO LTD

Display module and display device

PendingCN122373630ALight guideDisplay device
This disclosure provides a display module and a display device, belonging to the field of display technology. The display module of this disclosure includes: a substrate, a pixel defining layer, a black matrix, a light guide structure, and an optical sensor located on the substrate away from the pixel defining layer, arranged sequentially on the substrate and in a direction away from the substrate; the pixel defining layer has a plurality of first openings; the black matrix has a plurality of second openings; the orthographic projections of any two of the first openings, second openings, optical sensors, and light guide structures on the substrate at least partially overlap; the light guide structure has a bottom surface and a top surface disposed opposite to each other, and a side surface connecting the bottom surface and the top surface; the light guide structure is configured to adjust the light incident from the top surface and the side surface and then emit it through the bottom surface, and conduct it to the optical sensor through the second opening and the first opening.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Display module and display device

The embodiment of the application provides a display module and a display device, and belongs to the technical field of display, which comprises a backlight module and a display panel arranged on one side of the backlight module; the display panel comprises a display area and a frame area arranged on at least one side of the display area; the display panel comprises an array substrate, a color film substrate, a polaroid and a cover plate arranged in layers, and a black matrix layer is arranged between the array substrate and the color film substrate in the frame area, and the cover plate is provided with a light shielding layer on the side facing the polaroid; in the frame area, a photosensitive unit is arranged on the array substrate, and an opening is arranged on the black matrix layer corresponding to the position of the photosensitive unit; further comprising an infrared emission unit arranged on the backlight module or the display panel, the infrared emission unit is used for emitting infrared light, and the infrared light is received by the photosensitive unit. Through the display module and the display device provided by the embodiment of the application, the distance detection function can be realized while the display effect of the display device is ensured.
Owner:BEIJING BOE DISPLAY TECH CO LTD +1

Display device

PendingCN122318663AImprove luminous efficiencyOmit the mask processOrganic dyeDisplay device
The display device according to this disclosure includes: a substrate including a display area and a non-display area; a plurality of light-emitting diodes (LEDs) disposed on the substrate; an encapsulation layer disposed over the plurality of LEDs; a touch sensing unit disposed on the encapsulation layer and including a plurality of touch electrodes; a plurality of organic dye patterns disposed on the touch sensing unit overlapping the light-emitting areas of the plurality of LEDs, and having a lower surface larger than the upper surface; and a black matrix exposing the upper surface of the plurality of organic dye patterns. Therefore, light is refracted from the side surfaces of the plurality of organic dye patterns to the upper surface of the plurality of organic dye patterns, thereby improving luminous efficiency.
Owner:LG DISPLAY CO LTD

Display module and electronic equipment

PendingCN121510829AColor filmEngineering
The invention discloses a display module and electronic equipment, and belongs to the technical field of electronic equipment, the display module comprises a light-emitting assembly, a plurality of color film parts, a back plate and a black matrix layer, the color film parts are used for converting incident light into monochromatic light to be emitted, the light-emitting assembly is located on one side of the color film parts, at least part of light rays emitted from the outside of the display module are reflected on the back plate and then emitted out of the display module, and the back plate is used for reflecting the incident light rays. The black matrix layer is provided with a plurality of through holes, at least one part of the color film part is located in the through holes, and at least one part of the black matrix layer is located on the side, away from the light-emitting assembly, of the color film part so as to shield part of reflected light reflected on the back plate.
Owner:VIVO MOBILE COMM CO LTD

Display device

PendingCN122121397ADisplay deviceActive layer
A display device according to one exemplary aspect of the present disclosure includes a substrate; a plurality of reflective electrodes disposed on the substrate; a plurality of bonding layers disposed on the plurality of reflective electrodes; a plurality of light emitting elements disposed on the plurality of bonding layers and each including a first electrode, a first semiconductor layer on the first electrode, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a second electrode on the second semiconductor layer; a plurality of scattering layers disposed to respectively correspond to the plurality of light emitting elements, configured to respectively cover the plurality of light emitting elements, and each having a shape with a cross-sectional width decreasing upward; and a black matrix configured to contact at least a portion of a side surface of each of the plurality of scattering layers and having a shape with a cross-sectional width increasing upward. Accordingly, a change in a luminance viewing angle distribution with respect to a transfer position of a light emitting element can be reduced or minimized.
Owner:LG DISPLAY CO LTD

Liquid crystal display device

Provided is a liquid crystal display device capable of switching between a privacy mode and a public mode, and achieving high contrast even when displayed in the privacy mode. The liquid crystal display device of the present invention has an active matrix substrate having a first electrode, a first insulating layer, and a second electrode including a first linear electrode portion, a color filter substrate having a black matrix, a color filter, a third electrode including a plurality of second linear electrode portions, and a fourth electrode as a floating electrode, the third electrode and the fourth electrode are disposed between the black matrix and a liquid crystal layer, the second linear electrode portions extend in a second direction and overlap with portions of the black matrix extending in the second direction, the fourth electrode is disposed between the plurality of second linear electrode portions when viewed from above and overlaps with the black matrix, and a control circuit performs control to switch between applying a driving voltage to the third electrode and applying a constant voltage.
Owner:SHARP DISPLAY TECHNOLOGY CORP

Organic light emitting display device

PendingCN122269986Ablocking reflectionDisplay deviceMaterials science
An organic light emitting display device is disclosed. The organic light emitting display device includes a substrate, a circuit element layer disposed on the substrate, a plurality of pixel definition films disposed on the circuit element layer, a plurality of light emitting elements disposed between the plurality of pixel definition films and having a first electrode and a light emitting layer and a second electrode, an encapsulation layer disposed on the second electrode of the plurality of light emitting elements, a black matrix disposed on the encapsulation layer and overlapping the pixel definition films, and a plurality of color filter layers disposed between the black matrix. The plurality of pixel definition films includes a plurality of light absorbing portions.
Owner:LG DISPLAY CO LTD

Display panel and projection device

A display panel (300) and a projection device. The display panel (300) has a display area (AA). The display panel (300) comprises a plurality of first sub-pixels (10). The plurality of first sub-pixels (10) are located in the display area (AA). The display panel (300) comprises a first substrate (331), a plurality of gate lines (334), and a black matrix (34). The plurality of gate lines (334) are located on one side of the first substrate (331). The plurality of gate lines (334) extend in a first direction (X) and are arranged at intervals in a second direction (Y). Two adjacent gate lines (334) are located between two adjacent rows of first sub-pixels (10), and there is a gap between the two gate lines (334). The black matrix (34) is located on the side of the plurality of gate lines (334) distant from the first substrate (331). The black matrix (34) comprises a first black matrix portion (341). In the display area (AA) and in the orthographic projection onto the first substrate (331), the first black matrix portion (341) is located between two boundaries, distant from each other, of two gate lines (334) between two adjacent rows of first sub-pixels (10), and covers the gap between the two gate lines (334).
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Display panel and display apparatus

PCT designated stageWO2026044758A1Optical filtersMaterials scienceBlack matrix
A display panel and a display apparatus. The display panel comprises a substrate, a light-emitting device layer provided on one side of the substrate, a filter structure provided on the side of the light-emitting device layer distant from the substrate, a support portion provided between the light-emitting device layer and the filter structure, and at least one touch electrode layer provided between the light-emitting device layer and the filter structure. The filter structure comprises a black matrix and a plurality of color filter portions, the black matrix defines a plurality of first openings, and each of the color filter portions is provided in one of the first openings. In an orthographic projection onto the substrate, each light-emitting device is located within one first opening, and at least an edge portion of the support portion overlaps the black matrix. The thickness of the at least edge portion of the support portion gradually decreases in a first direction. The first direction extends from a center of the support portion toward a boundary of the support portion and is parallel to a line connecting centers of two adjacent light-emitting devices. At least a part of one of the at least one touch electrode layer is located on the edge portion of the support portion.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Preparation method of display panel and display panel

The invention belongs to the technical field of display, and particularly relates to a preparation method of a display panel and the display panel, and the preparation method comprises the steps that a substrate is provided, a driving backboard is formed on the substrate, and the driving backboard comprises at least one patterned metal layer; the at least one patterned metal layer comprises at least one of a gate metal layer, a source-drain metal layer and an anode layer, and the pattern of the patterned metal layer is configured to define at least one light-transmitting region in a region corresponding to a to-be-formed black matrix; forming an organic light-emitting unit and a first inorganic packaging layer on the driving backboard; forming a black matrix material layer on the first inorganic packaging layer; irradiating ultraviolet light to the black matrix material layer from one side, far away from the driving back plate, of the substrate; at least one patterned metal layer shields ultraviolet light, so that the ultraviolet light selectively penetrates through the light-transmitting area to irradiate the corresponding black matrix material layer; and developing the black matrix material layer to form a black matrix corresponding to the light-transmitting area pattern. The manufacturing process can be simplified, and the production cost can be reduced.
Owner:HKC CORP LTD

Display substrate and display device

PCT designated stageWO2026137152A1Display devicePolarizer
A display substrate and a display device. The display substrate comprises a base substrate, a plurality of sub-pixels, a pixel defining layer, a black matrix, and a color filter layer. In a same repeating unit, light-emitting regions of sub-pixels in two pixel groups are mirror-symmetric with respect to a first symmetry axis extending in a first direction. The black matrix comprises a plurality of black matrix openings. The color filter layer comprises a plurality of color filter patterns of different colors, covering the plurality of black matrix openings and arranged corresponding to sub-pixels of different colors. In the display substrate provided by the present disclosure, the light-emitting regions of the sub-pixels in two pixel groups in each repeating unit are mirror-symmetric with respect to the first symmetry axis, and light-emitting functional layers of two sub-pixels of the same color can be formed through one mask opening of a fine metal mask, thereby reducing the difficulty of the manufacturing process. By replacing a polarizer with a thinner color filter layer, the display substrate has better bending performance. In addition, the color filter patterns cover the black matrix openings, thereby further improving the display effect of the display substrate and reducing the power consumption of the display substrate.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Liquid crystal display device with touch function

Liquid crystal display device with a black matrix (31), multiple data lines (D1, D2, D3, D4 and D5) and multiple scanning lines (S1, S2 and S3), wherein the multiple data lines (D1, D2, D3, D4 and D5) are isolated and intersect the multiple scanning lines (S1, S2 and S3), and the multiple data lines (D1, D2, D3, D4 and D5) and the multiple scanning lines (S1, S2 and S3) define multiple pixel units, Each of the multiple pixel units has a common electrode (10, 20, 40, 50 and 60) and a pixel electrode (11, 21, 41, 51 and 61), an insulating layer (12, 22 and 42) is arranged between the common electrode (10, 20, 40, 50 and 60) and the pixel electrode (11, 21, 41, 51 and 61), a field is formed within the plane through the common electrode (10, 20, 40, 50 and 60) and the pixel electrode (11, 21, 41, 51 and 61) when a voltage is applied to the common electrode (10, 20, 40, 50 and 60) and to the pixel electrode (11, 21, 41, 51 and 61), and several of the common electrodes (10, 20, 40, 50 and 60) are connected to each other to form a common electrode layer, the common electrode layer being further suited to form touch electrodes (15 and 45) and touch signal veins (16, 46, 56 and 66), each of the touch signal veins (16, 46,56 and 66) is electrically connected to the corresponding touch electrode (15 and 45), and several first columns (19, 29, 49, 59 and 69), which run parallel to the several data rows, are each located between adjacent touch electrodes (15) or between the touch electrode (15 and 45) and the adjacent touch signal wire (16, 46, 56 and 66), with the exception of a connection point (161, 461 and 561) between the touch signal wire (16, 46 and 56) and the touch electrode (15, 45), , the first slit (19, 29, 59 and 69) overlaps with the pixel electrode (11, 21, 51 and 61) within the pixel unit, wherein the black matrix (31) is configured to shield the data rows (D1, D2, D3, D4 and D5) and the sample rows (S1, S2 and S3), wherein the first slit (29 and 69) overlaps with the sample row (S1, S2 and S3) and the black matrix (31) comprises a first extension section (33) extending from a region corresponding to an overlap region of the first slit (29 and 69) and the sample row (S1, S2 and S3) to the interior of the pixel unit, and wherein the first extension section (33) overlaps with the first slit (29 and 69).
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Display substrate, display device and fingerprint identification method

The display substrate, the display device and the fingerprint identification method provided by the present disclosure comprise a substrate substrate; a plurality of light emitting devices arranged in an array on the substrate substrate; a plurality of photosensitive devices located between the layer where the light emitting devices are located and the substrate substrate; the orthographic projection of each photosensitive device on the substrate substrate and the orthographic projection of the gap of the adjacent light emitting devices overlap each other; a black matrix located on the side of the layer where the light emitting devices are located away from the substrate substrate; the orthographic projection of the black matrix on the substrate substrate and the orthographic projection of the gap of the adjacent light emitting devices overlap each other, the black matrix has a plurality of first openings, the orthographic projection of the first opening on the substrate substrate and the orthographic projection of the photosensitive device overlap each other; the total amount of light irradiated to the photosensitive device through the first opening meets the signal-to-noise ratio of fingerprint identification and is less than the full well capacity of the photosensitive device.
Owner:BOE TECHNOLOGY GROUP CO LTD

Display device

PendingCN122318638ADisplay deviceHemt circuits
A display device includes a display panel comprising: a substrate layer; a circuit layer disposed on the substrate layer; a light-emitting element layer disposed on the circuit layer; an encapsulation layer disposed on the light-emitting element layer; and a color filter layer disposed on the encapsulation layer. The color filter layer includes a black matrix and a plurality of color filters. The black matrix includes a plurality of openings, and the plurality of color filters are disposed in the plurality of openings. The plurality of openings includes a plurality of main openings overlapping with the light-emitting areas of the light-emitting elements disposed in the light-emitting element layer, and a plurality of dummy openings disposed adjacent to the plurality of main openings.
Owner:LG DISPLAY CO LTD

Display panel and method of manufacturing the same

The application provides a display panel and a manufacturing method thereof. The display panel comprises a functional additional area, an array substrate, a light-emitting functional layer, a thin film packaging layer and a color film layer are arranged in the functional additional area in a stacked manner, the color film layer comprises a first black matrix and color resistance units between the first black matrix; wherein the first black matrix comprises a first main body part and first lap parts on both sides of the first main body part, the first lap parts and the color resistance units have overlapping parts, by making the thickness of the first main body part less than the thickness of the first lap parts, the optical density of the first black matrix in the fingerprint identification optical path is reduced, thereby increasing the optical transmittance of the functional additional area, and meanwhile, the first black matrix can also consider the screen color of the display panel.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD

Liquid crystal display panel, display device and preparation method of liquid crystal display panel

The invention provides a liquid crystal display panel, a display device and a preparation method of the liquid crystal display panel, and relates to the technical field of display. The liquid crystal display panel comprises a color film substrate, a liquid crystal layer and an array substrate, the color film substrate comprises a first substrate, a color film layer and a black matrix layer, the black matrix layer is arranged on the side, away from the first substrate, of the color film layer and comprises a plurality of black matrixes, the line width range of each black matrix ranges from 3 micrometers to 5.5 micrometers, and crosstalk and reflectivity can be reduced; each pixel unit of the array substrate comprises a plurality of sub-pixels, each sub-pixel comprises a plurality of pixel electrodes arranged at intervals, and the range of the distance between the two pixel electrodes with the shortest distance in every two adjacent sub-pixels is 3-9 microns; according to the liquid crystal display panel, an electric field formed by the pixel electrodes close to the edges of the sub-pixels can more effectively excite a liquid crystal layer area corresponding to the edges of the sub-pixels to deflect, so that the effective lighting effect position is expanded, and the transmittance is improved.
Owner:HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1

Display panel and display device

ActiveCN115734686BDisplay deviceEngineering
The application relates to a display panel and a display device. The display panel comprises a substrate, a reflection layer and a filter layer. The reflection layer is located on the substrate; the filter layer is located on the side of the reflection layer away from the substrate; the filter layer comprises a black matrix, a first black matrix opening and a gray filter layer, the projection of the reflection layer on the substrate is located in the projection of the black matrix on the substrate; the gray filter layer is partially located in the first black matrix opening, the projection of the first black matrix opening on the substrate is located in the projection of the gray filter layer on the substrate; the projection of the first black matrix opening on the substrate is located in a first display area, and the projection of the gray filter layer on the substrate is located in the first display area. According to the embodiment of the application, the light transmission function can be realized, the reflectivity of the first display area can be reduced, the reflected color phase of the first display area can be integrated with black, and the color deviation phenomenon can be avoided.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Display panel

PendingCN122318671AMedicineRefractive index
A display panel is disclosed. The display panel includes: a substrate having a plurality of sub-pixels disposed on an active region; a black matrix disposed on the plurality of sub-pixels; a first lens disposed in an opening of the black matrix; a color filter disposed on the first lens in the opening of the black matrix; a second lens disposed on the color filter; and a high refractive index layer disposed on the second lens. The refractive index of the first lens is higher than that of the second lens, and the refractive index of the high refractive index layer is higher than that of the second lens.
Owner:LG DISPLAY CO LTD

Window, method of manufacturing the same, and electronic apparatus including the window

PendingUS20260198163A1Polymer resinUltraviolet lights
A manufacturing method of a window includes placing a substrate in a guide film accommodating the substrate and provided with an opening, which is defined through a guide film to overlap a portion of the substrate in a plan view, providing a first solution, which contains a light blocking particle and a polymer resin, to an edge portion of an inner space of the guide film, where the inner space is divided into a center portion overlapping the opening in the plan view and the edge portion, which is outside the center portion, providing a second solution containing the polymer resin to the center portion, placing a magnet to overlap the edge portion in the plan view to allow the light blocking particle to move by the magnet, and curing the light blocking particle and the polymer resin using ultraviolet light to form the black matrix and the coating layer.
Owner:SAMSUNG DISPLAY CO LTD

Display Device

PendingUS20260190832A1Display deviceThin membrane
A display device presented herein includes a substrate including a display area in which a plurality of sub-pixels is disposed and a non-display area surrounding the display area, a thin film transistor disposed on the substrate, an organic light emitting element disposed to correspond to each of the plurality of sub-pixels, a plurality of color filters disposed on the organic light emitting element to correspond to each of the plurality of sub-pixels, a black matrix dividing each of the plurality of color filters, and an overcoating layer covering the plurality of color filters and the black matrix. The overcoating layer includes a plurality of grooves overlapping the plurality of color filters and recessed by reducing at least a portion of a thickness of the overcoating layer in a downward direction toward the substrate from a top surface of the overcoating layer.
Owner:LG DISPLAY CO LTD

Stereoscopic Image Display Device

A stereoscopic image display device is disclosed that includes a structure where a display panel including a display area and a non-display area surrounding the display area, and displaying an image through the display area, a 3D lens disposed on one side of the display panel, the display panel including a base substrate, at least one light emitting element disposed on the base substrate, a black matrix disposed over the at least one light emitting element and having at least one first opening, at least one lens disposed in the at least one first opening, and at least one color filter disposed to face the at least one lens, and respective side portions of the at least one lens and the at least one color filter are disposed to correspond to the black matrix in the first opening, and is capable of being lighter and thinner.
Owner:LG DISPLAY CO LTD

Display apparatus having a light-emitting device and a pixel lens

The present invention relates to a display device in which a light-emitting element and an optical lens are laminated on a light-emitting region of a device substrate. A black matrix and a touch electrode may be laminated on a non-light-emitting region of the device substrate. An encapsulation unit covering the light-emitting element and an optical insulating film covering the black matrix may be located on the light-emitting region and the non-light-emitting region of the device substrate. The touch electrode and the optical lens may be located on the optical insulating film. A lens barrier may be located on the optical insulating film. Each optical lens may be surrounded by the lens barrier. Accordingly, deformation of each optical lens due to a reflow process can be prevented in the display device. Therefore, degradation of image quality due to the formation process of the optical lens can be prevented in the display device.
Owner:LG DISPLAY CO LTD

Encapsulation process method for wafer-level light-emitting diode dies

ActiveUS12628466B2WaferQuantum dot
An encapsulation process method for wafer-level light-emitting diode dies is provided, in which a wafer structure having a plurality of light-emitting diode dies thereon is adhered to a temporary substrate, and by sequentially performing a laser cutting and a laser punch-through process, the light-emitting diode die turns to be conductive. Then, a transparent conductive film is sputtered thereon the die, and black matrix photoresist and quantum dot color filter are further disposed for performing a color conversion process. After that, the light-emitting diode dies are divided into package structures, and a glue removal process is used to separate the wafer structure from the temporary substrate, so that the wafer structure can be transferred to a target substrate. By employing the present invention, the conventional carrier board can be omitted, and the packaging yield of the vertical light emitting diode die packages is certainly optimized.
Owner:INGENTEC CORP