CN114882806A - LED display structure and display screen - Google Patents

LED display structure and display screen Download PDF

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Publication number
CN114882806A
CN114882806A CN202210666650.4A CN202210666650A CN114882806A CN 114882806 A CN114882806 A CN 114882806A CN 202210666650 A CN202210666650 A CN 202210666650A CN 114882806 A CN114882806 A CN 114882806A
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CN
China
Prior art keywords
light
led
electrically connected
led lamp
led display
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Pending
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CN202210666650.4A
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Chinese (zh)
Inventor
张海波
何胜斌
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Jiangxi Zhaochi Jingxian Co ltd
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Shenzhen Zhaochi Jingxian Technology Co ltd
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Priority to CN202210666650.4A priority Critical patent/CN114882806A/en
Publication of CN114882806A publication Critical patent/CN114882806A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Device Packages (AREA)

Abstract

The embodiment of the invention discloses an LED display structure and a display screen, wherein the LED display structure comprises: a PCB board; the LED lamp comprises a PCB board, a plurality of luminous pixels and a plurality of LED lamp beads, wherein the plurality of luminous pixels are arranged on the PCB board and are arrayed in a row direction and a column direction; if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line; if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line. The invention not only can realize the definition of LED display without increasing frequency and reduce time redundancy, but also can reduce the manufacturing cost of LED display.

Description

LED display structure and display screen
Technical Field
The invention relates to the technical field of LED display, in particular to an LED display structure and a display screen.
Background
The micro display technology is a new display technology, greatly facilitates the design of industrial products, reduces the space occupation volume of a display, reduces the power consumption of portable products, prolongs the service life of equipment, and has very wide application in military and civil industries.
The micro display technology can be classified into CRT (Cathode Ray Tube) display, DMD (Digital micromirror Device) display, LCD display, LCoS (Liquid Crystal on Silicon, Silicon-based Liquid Crystal or single Crystal Silicon reflective Liquid Crystal) display, OLED-on-Silicon (Organic Light Emitting Diode) display, led (Light Emitting Diode) display, and the like according to the Light Emitting principle.
Currently, in the field of LED display, the scanning strategy of LED display is to electrically connect the non-common electrodes of each row of pixels to form a scanning line, and perform scanning line by line and point by point, and need to realize high image quality and high refresh rate by increasing the frequency. However, although the above method improves the image quality of the LED display, a large amount of time redundancy is generated for the LED display, which increases the production cost and causes a serious waste of resources.
Disclosure of Invention
Aiming at the defects of the prior art, the embodiment of the invention provides the LED display structure and the display screen, so that the definition of LED display is realized without increasing the frequency, and the manufacturing cost of the LED display is reduced.
In a first aspect, an embodiment of the present invention discloses an LED display structure, which includes:
a PCB board;
the LED lamp comprises a PCB, a plurality of luminous pixels and a plurality of LED lamp beads, wherein the plurality of luminous pixels are arranged on the PCB and are arranged in an array mode in the row and column directions; if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line; if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line.
Preferably, in the LED display structure, one of the scan lines is electrically connected to one of the gate signal pins of the gate chip.
Preferably, in the LED display structure, one of the data lines is electrically connected to one of the data signal pins of the driving chip.
Preferably, in the LED display structure, the common electrode of the LED lamp bead is a common cathode electrode or a common anode electrode.
Preferably, in the LED display structure, the PCB includes a plurality of layers of traces, and the scan lines and the data lines are located in different layers in the PCB.
Preferably, in the LED display structure, each of the light emitting pixels is the same.
Preferably, in the LED display structure, common terminals of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scan line, and non-common terminals of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form a data line.
Preferably, in the LED display structure, each of the light emitting pixels includes a red LED lamp bead, a green LED lamp bead, and a blue LED lamp bead.
More preferably, in the LED display structure, the LED beads in the light emitting pixels are vertically arranged.
In a second aspect, an embodiment of the present invention further discloses an LED display screen, which includes the LED display structure of the first aspect.
Compared with the prior art, the embodiment provides the LED display structure and the display screen, a plurality of luminous pixels which are arranged in an array mode in the row and column directions are arranged on the PCB, a plurality of LED lamp beads are arranged in each luminous pixel, and the common electrode ends of the LED lamp beads with the same luminous color in each row or each column of luminous pixels are electrically connected together to form a scanning line, so that the number of the scanning lines in the LED display is increased to improve the image quality of the LED display, and a large amount of time redundancy is reduced; in addition, if the non-common-pole ends of the LED lamp beads in the light-emitting pixels of each row or each column are electrically connected to form a data line, the number of the driving chips can be greatly reduced, and the manufacturing cost of the LED display screen can be greatly reduced because the cost of the gating chip is far lower than that of the driving chips.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an LED display structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another LED display structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a prior art LED display structure;
fig. 4 is a schematic structural diagram of an LED lamp bead in an LED display structure provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the invention, it is to be understood that the terms "central," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "column," "row," and the like are used in the indicated orientations and positional relationships, based on the orientations and positional relationships shown in the figures, merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the invention.
In the present application, the term "some embodiments" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as exemplary is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles disclosed herein.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an LED display structure according to an embodiment of the present invention, and fig. 2 is another schematic structural diagram of the LED display structure according to the embodiment of the present invention. As shown in fig. 1 and fig. 2, an embodiment of the present invention discloses an LED display structure, which includes:
a PCB board 10;
a plurality of light emitting pixels 20 disposed on the PCB 10 and arranged in an array in a row direction and a column direction;
each of the light-emitting pixels 20 includes a plurality of LED beads, common terminals 201 of the LED beads with the same light-emitting color in each row of the light-emitting pixels 20 are electrically connected together to form a scan line 30, and non-common terminals 202 of the LED beads in each row of the light-emitting pixels 20 are electrically connected together to form at least one data line 40.
In the LED display structure shown in fig. 1 and 2, a plurality of light-emitting pixels 20 arranged in an array in a row-column direction are disposed on a PCB 10, and a plurality of LED beads are disposed in each light-emitting pixel 20, and meanwhile, non-common-electrode ends 202 of the LED beads in each row of light-emitting pixels 20 are electrically connected to form one or more data lines 40, common-electrode ends 201 of the LED beads having the same light-emitting color in each row of light-emitting pixels 20 are electrically connected to form one scanning line 30, so that the scanning lines 30 in each row of light-emitting pixels 20 are increased by several times, the refresh frequency does not need to be increased to realize the definition of LED display, and the manufacturing cost of LED display is greatly reduced.
It should be noted that the scan lines 30 and the data lines 40 in the LED display structure according to the present invention may be interchanged in the row and column directions, and fig. 1 and fig. 2 only illustrate that the common terminals 201 of the LED beads with the same light-emitting color in each row of the light-emitting pixels 20 are electrically connected together to form one scan line 30, and the non-common terminals 202 of the LED beads in each column of the light-emitting pixels 20 are electrically connected together to form one or more data lines 40.
In addition, as shown in fig. 1, if the common electrode terminals 201 of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels 20 are electrically connected together to form a scan line 30, and the non-common electrode terminals 202 of the LED lamp beads in each column of the light-emitting pixels 20 are electrically connected together to form a data line 40, although the number of the scan lines 30 in the LED display screen is increased, and thus the number of the gating chips is increased, the number of the scan lines 30 in the LED display screen is greatly reduced, and the number of the data lines 40 on the whole PCB 10 is reduced. In addition, the cost of the gating chip is far lower than that of the driving chip, so that the manufacturing cost of the LED display screen can be greatly reduced.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an LED display structure in the prior art. In fig. 3, after the common electrode terminals 201 of the LED lamp beads in each row of the light emitting pixels 20 are electrically connected, only one scan line 30 is formed, and the non-common electrode terminals 202 of the LED lamp beads with the same color in each column of the light emitting pixels 20 are electrically connected to form one data line 40.
It can be understood that the LED display structure provided in the embodiment of the present invention is preferably applied to a COB (Chip On Board) display screen, where the COB directly bonds the LED light emitting Chip to the PCB with high precision, and connects the driving component On the module carrier through a medium, that is, the LED lamp bead in the embodiment of the present invention is crystal-fixed On the PCB.
It can be further understood that the LED display structure provided by the embodiment of the present invention is not limited to the COB display, but may also be applied to SMD (Surface Mounted device) display and IMD (Integrated Matrix device) display. The SMD packages the LED chip into surface-mounted devices, and then fixes the devices on the PCB board through a chip mounter, wherein the packaged devices can be single red, green and blue devices or a group of red, green and blue devices; in the IMD, two, four, six or more groups of lamp beads are integrally packaged in a small unit, which is also called as "N-in-one" or "all-in-one", and then the all-in-one devices are fixed on a PCB board by a chip mounter.
In addition, one luminous body or a plurality of luminous bodies can be arranged in the LED lamp bead. If a plurality of luminous bodies are arranged in the LED lamp bead, two non-common-pole ends 202 can be arranged in the LED lamp bead, and the two luminous bodies can share one substrate, so that the density of LEDs in the LED display screen is indirectly improved, and the resolution of the LED display screen is indirectly improved.
The specific structure of the LED lamp bead having one common terminal 201 and two non-common terminals 202 on the PCB board 10 is explained in detail below.
As shown in fig. 4, two anode substrate pads 112 and one cathode substrate pad 111 are disposed on the PCB 10, wherein the length and the width of the anode substrate pad 112 are both 80 microns, and the length of the cathode substrate pad 111 is 160 microns, and the width is 80 microns; the LED lamp bead comprises a first luminous body, a second luminous body, a substrate 2011, a first P-type welding plate 20121, a second P-type welding plate 20122 and an N-type welding plate 2013, wherein the N-type welding plate 2013 is a common cathode end of the LED lamp bead, the first luminous body is electrically connected with one anode substrate welding plate 112 through the first P-type welding plate 20121, the second luminous body is electrically connected with the other anode substrate welding plate 112 through the second P-type welding plate 20122, the first P-type welding plate 20121 and the second P-type welding plate 20122 are electrically connected with the anode substrate welding plate 112 through metal tin, the N-type welding plate 2013 is electrically connected with a cathode substrate welding plate 111 through the metal tin, the first luminous body and the second luminous body are arranged between the substrate 2011 and the PCB 10, the first luminous body and the second luminous body are identical and comprise P-type conductive goldMetal layer 2014, N-type conducting metal layer 2015, Bragg reflector 2016, current spreading layer 2017, P-type semiconductor 2018, N-type semiconductor 2019, insulating protective layer 2020 and active light emitting layer 2021, wherein P-type Bragg reflector through holes and N-type Bragg reflector through holes are formed in the Bragg reflector 2016, first P-type welding pad 20121 and second P-type welding pad 20122 are electrically connected with respective P-type conducting metal layer 2014 through the P-type Bragg reflector through holes, N-type welding pad 2013 is electrically connected with connecting metal through the N-type Bragg reflector through holes, 28 SiO layers of the Bragg reflector 2016 are arranged in the Bragg reflector 2016 2 And Ti 3 O 5 A material pair stack is formed; the P-type semiconductor 2018 is 80 microns long and 50 microns wide, and the N-type semiconductor 2019 is 100 microns long and 55 microns wide; a P-type insulating protective layer through hole and an N-type insulating protective layer through hole are formed in the insulating protective layer 2020, the P-type conductive metal layer 2014 is electrically connected with the current expansion layer 2017 through the P-type insulating protective layer through hole, the current expansion layer 2017 is electrically connected with the P-type semiconductor 2018 to excite holes, and the N-type conductive metal layer 2015 is electrically connected with the step of the N-type semiconductor 2019 through the N-type insulating protective layer through hole to excite electrons; the forward projection of the P-type semiconductor 2018 is smaller than that of the N-type semiconductor 2019, the exposed part of the N-type semiconductor 2019 is used as a conductive step, and the material of the insulating protective layer is selected from SiO 2 。
It can be understood that a plurality of common electrode terminals 201 and a non-common electrode terminal 202 can be further arranged on the LED lamp bead, so that the technical problem that when the scanning line 30 and the data line 40 are crossed on the PCB 10, a through hole needs to be added on the PCB 10 to solve the problem can be avoided.
In some embodiments, one of the scan lines 30 is electrically connected to one of the gate signal pins of the gate chip; one of the data lines 40 is electrically connected to one of the data signal pins of the driving chip individually. Specifically, at least one gating signal pin is arranged on the gating chip, that is, one gating chip can be connected to at least one scanning line 30 through the gating signal pin to gate the LED lamp beads in each row of the light-emitting pixels 20; the driving chip is provided with at least one data signal pin, that is, one driving chip can be connected with at least one data line 40 through the data signal pin so as to perform constant current control on the LED lamp beads in each column of light-emitting pixels 20. The gating chip and the driving chip can be integrated into one chip, and the gating chip and the driving chip can also be respectively and independently used as one chip for scanning driving. The model of the chip used in the application can be TLC 6985, and can also be MBI 515.
In addition, when the LED display structure provided by the embodiment of the present invention is used for LED display, the light-emitting pixels 20 are the same, that is, the LED lamp beads at the corresponding positions in each light-emitting pixel 20 are the same, and the LED lamp beads in the light-emitting pixels 20 are vertically arranged, at this time, different light-emitting colors and light-emitting luminances can be displayed in the LED display screen only by gating the scanning lines 30 row by using the gating chip and lighting the LED lamp beads column by using the driving chip through the data lines 40, so that a complete image is formed in the LED display screen.
In some embodiments, the common terminal 201 of the LED lamp bead may be a common cathode terminal or a common anode terminal. Specifically, the common-pole end 201 of the LED lamp bead may be determined as a common-cathode end or a common-anode end according to practical applications, which is not specifically limited in the embodiment of the present invention. If the common electrode terminal 201 of the LED lamp beads is a common cathode terminal, after cathode electrodes between the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels 20 are electrically connected, a scan line 30 is formed and electrically connected to a gating signal pin of a gating chip, anodes (non-common electrode terminals 202) of the LED lamp beads in each row of the light-emitting pixels 20 are connected in different ways to form at least one data line 40, and each data line 40 is electrically connected to a data signal pin of a driving chip.
In some embodiments, the PCB board 10 includes multiple layers of traces, and the scan lines 30 and the data lines 40 are located at different layers in the PCB board 10. Specifically, when the PCB 10 in the LED display structure provided in the embodiment of the present invention is routed, the scanning line 30 may be separately routed in one layer of the PCB 10, and the data line 40 may be formed in another layer of the PCB 10, where the scanning line 30 may be located on an upper layer of the data line 40, or may be located on a lower layer of the data line 40; similarly, routing may be performed in a certain layer of the PCB 10 to simultaneously form the scan line 30 and the data line 40, and when the scan line 30 and the data line 40 are in the same layer in the PCB 10, the scan line 30 and the data line 40 may be connected at an intersection in a bridge manner; and at the same time, when the scanning lines 30 and the data lines 40 are crossed, the connection can be realized by adding through holes on the PCB board 10.
In some embodiments, as shown in fig. 1, the non-common ends 202 of the LED beads in each column of pixels 20 are electrically connected to form a data line 40. Specifically, the non-common electrode 202 between each LED bead in each row of the light emitting pixels 20 is electrically connected to form a data line 40 in each row of the light emitting pixels 20, and is electrically connected to a pin of the driving chip to provide a constant current source for each LED bead in each row of the light emitting pixels 20, so as to reduce the number of the driving chips in the LED display screen, thereby reducing the cost for manufacturing the LED display screen.
In addition, in the embodiment of the present invention, the light emitting pixel 20 may be composed of three LED lamp beads, or may be composed of four LED lamp beads. When the light-emitting pixel 20 is composed of three LED lamp beads, the three LED lamp beads may be a red LED lamp bead 210, a green LED lamp bead 220, and a blue LED lamp bead 230; when the light-emitting pixel 20 is composed of four LED lamp beads, the four LED lamp beads may be a red LED lamp bead 210, a green LED lamp bead 220, a blue LED lamp bead 230, and a white LED lamp bead.
The LED display structure provided by the embodiment of the present invention is specifically described below by taking 16 columns and 9 rows of display units as an example.
For example, if each pixel 20 includes a red LED lamp bead 210, a green LED lamp bead 220, and a blue LED lamp bead 230. In the conventional LED display scanning method, cathodes of red LED lamp beads 210, green LED lamp beads 220, and blue LED lamp beads 230 of each row of light-emitting pixels 20 are electrically connected to form a scanning line 30, anodes of red LED lamp beads 210 of each column of light-emitting pixels 20 are connected to form a data line 40, anodes of green LED lamp beads 220 of each column of light-emitting pixels 20 are electrically connected to form a data line 40, anodes of blue LED lamp beads 230 of each column of light-emitting pixels 20 are electrically connected to form a data line 40, at this time, the number of required data lines 40 is 16 × 3 ═ 48, the number of scanning lines 30 is 9, and 57 signals are required in total; in the LED display scanning method provided in the embodiment of the present invention, the red LED lamp beads 210 of each row of light-emitting pixels 20 are electrically connected to form a scanning line 30, the green LED lamp beads 220 of each row of light-emitting pixels 20 are electrically connected to form a scanning line 30, the blue LED lamp beads 230 of each row of light-emitting pixels 20 are electrically connected to form a scanning line 30, the red LED lamp beads 210, the green LED lamp beads 220, and the blue LED lamp beads 230 of each row of light-emitting pixels 20 are electrically connected to form a data line 40, at this time, the number of the required data lines 40 is 16, the number of the scanning lines 30 is 9 × 3 — 27, and 43 signals are required in total. It can be seen that the number of signals required by the PCB board 10 in the LED display structure provided by the embodiment of the present invention is greatly reduced, and the reduction ratio is up to 24.56%.
In addition, the embodiment of the invention also discloses an LED display screen which comprises the LED display structure.
In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing embodiments, which are not described herein again.
The LED display structure and the display screen provided by the embodiment of the present invention are described in detail, and the principle and the embodiment of the present invention are explained by applying specific embodiments, and the description of the embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. An LED display structure, comprising:
a PCB board;
the LED lamp comprises a PCB, a plurality of luminous pixels and a plurality of LED lamp beads, wherein the plurality of luminous pixels are arranged on the PCB and are arranged in an array mode in the row and column directions;
if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line;
if the common electrode ends of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixels are electrically connected together to form a scanning line, the non-common electrode ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected together to form at least one data line.
2. The LED display structure of claim 1, wherein one of said scan lines is electrically connected to a strobe signal pin of a strobe chip alone.
3. The LED display structure of claim 1, wherein one of said data lines is electrically connected to one of the data signal pins of the driving chip.
4. The LED display structure of claim 1, wherein the common terminal of the LED lamp beads is a common cathode terminal or a common anode terminal.
5. The LED display structure of claim 1, wherein the PCB board comprises a plurality of layers of traces, and the scan lines and the data lines are located at different layers in the PCB board.
6. The LED display structure of claim 1, wherein each of said light emitting pixels is identical.
7. The LED display structure of claim 1, wherein common terminals of the LED bulbs with the same emission color in each row of the light-emitting pixels are electrically connected together to form a scan line, and non-common terminals of the LED bulbs in each column of the light-emitting pixels are electrically connected together to form a data line.
8. The LED display structure of claim 1, wherein each of the light-emitting pixels comprises a red LED bead, a green LED bead, and a blue LED bead.
9. The LED display structure of claim 1, wherein each LED bead in the light-emitting pixel is vertically arranged.
10. An LED display screen, characterized in that it comprises an LED display structure according to any one of claims 1 to 9.
CN202210666650.4A 2022-06-14 2022-06-14 LED display structure and display screen Pending CN114882806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210666650.4A CN114882806A (en) 2022-06-14 2022-06-14 LED display structure and display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210666650.4A CN114882806A (en) 2022-06-14 2022-06-14 LED display structure and display screen

Publications (1)

Publication Number Publication Date
CN114882806A true CN114882806A (en) 2022-08-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210666650.4A Pending CN114882806A (en) 2022-06-14 2022-06-14 LED display structure and display screen

Country Status (1)

Country Link
CN (1) CN114882806A (en)

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Applicant before: Shenzhen zhaochi Jingxian Technology Co.,Ltd.