CN114974093A - LED display method - Google Patents

LED display method Download PDF

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Publication number
CN114974093A
CN114974093A CN202210665977.XA CN202210665977A CN114974093A CN 114974093 A CN114974093 A CN 114974093A CN 202210665977 A CN202210665977 A CN 202210665977A CN 114974093 A CN114974093 A CN 114974093A
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Prior art keywords
led display
light
led
led lamp
line
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CN202210665977.XA
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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 CN202210665977.XA priority Critical patent/CN114974093A/en
Publication of CN114974093A publication Critical patent/CN114974093A/en
Pending legal-status Critical Current

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    • 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]
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Led Device Packages (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The embodiment of the invention discloses an LED display method, which is applied to an LED display screen, wherein the LED display screen comprises a plurality of luminous pixels which are arranged in an array manner, each luminous pixel comprises a plurality of LED lamp beads, and the common-pole ends of the LED lamp beads with the same luminous color in each row of luminous pixel units are electrically connected to form a scanning line and are connected to a gating chip; the non-common-pole ends of the LED lamp beads in each row of light-emitting pixels are electrically connected to form at least one data line and are connected to the driving chip; the LED display method comprises the following steps: the gating chip gates the scanning lines line by line, and simultaneously the driving chip lights each LED lamp bead line by line through the data line so as to display different light-emitting colors and different light-emitting luminances in the LED display screen. According to the LED display method provided by the embodiment of the invention, the frequency does not need to be increased to realize the high image quality of the LED display, a large amount of time redundancy is avoided, and the manufacturing cost of the LED display can be reduced.

Description

LED display method
Technical Field
The invention relates to the technical field of LED display, in particular to an LED display method.
Background
Since the 20 th century, display technology has been applied to various aspects such as entertainment, industry, military, transportation, education, aerospace, satellite remote sensing and medical treatment as a window for man-machine contact and information display, and the display industry has become a major industry of electronic information industry.
Currently, in the LED display field, RGB LEDs of three colors are generally combined into one pixel, the negative electrode of each pixel is connected to form a common cathode design, and the cathodes of the whole row are electrically connected to form a gate line (also called a scan line), and the gate line scans row by row and dot by dot, and the high image quality and the high refresh rate are realized 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
In view of the deficiencies of the prior art, embodiments of the present invention provide an LED display method, which does not need to increase the frequency to achieve high image quality of LED display, thereby avoiding a large amount of time redundancy and greatly reducing the manufacturing cost of LED display.
In order to solve the above technical problem, an embodiment of the present invention provides an LED display method, which is applied to an LED display screen, where the LED display screen includes a plurality of light-emitting pixels arranged in an array, each light-emitting pixel includes a plurality of LED lamp beads, common terminals of the LED lamp beads with the same light-emitting color in each row of the light-emitting pixel units are electrically connected to form a scan line, and are connected to a gate chip; the non-common-pole ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected to form at least one data line and are connected to a driving chip;
the LED display method comprises the following steps:
the gating chip gates the scanning lines line by line, and meanwhile, the driving chip lights the LED lamp beads line by line through the data lines so as to display different light-emitting colors and different light-emitting luminances in the LED display screen.
Preferably, in the LED display method, the non-common-electrode terminals of the LED lamp beads with the same light-emitting color in each column of the light-emitting pixel units are electrically connected to form one data line.
Preferably, in the LED display method, the non-common terminals of the LED beads in each column of the light emitting pixels are electrically connected to form one data line.
Preferably, in the LED display method, at least one gating signal pin is disposed on the gating chip.
Preferably, in the LED display method, at least one data signal pin is disposed on the driving chip.
Preferably, in the LED display method, 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 method, the common electrode terminals between the red LED lamp beads in each row of the light emitting pixel units are electrically connected to form one scan line.
More preferably, in the LED display method, the common electrode terminals between the green LED lamp beads in each row of the light emitting pixel units are electrically connected to form one scan line.
More preferably, in the LED display method, the common electrode terminals between the blue LED lamp beads in each row of the light emitting pixel units are electrically connected to form one scan line.
Preferably, in the LED display method, the LED lamp beads are fixed on the PCB.
Compared with the prior art, the embodiment of the invention provides an LED display method which is applied to an LED display screen, wherein the LED display screen comprises a plurality of luminous pixels which are arranged in an array manner, each luminous pixel comprises a plurality of LED lamp beads, and the common-pole ends of the LED lamp beads with the same luminous color in each row of luminous pixel units are electrically connected to form a scanning line and are connected to a gating chip; the non-common-pole ends of the LED lamp beads in each row of light-emitting pixels are electrically connected to form at least one data line and are connected to the driving chip; when the LED display screen drives the LEDs to display, the scanning lines are gated line by line through the gating chips, meanwhile, the driving chips light the LED lamp beads line by line through the data lines, different light-emitting colors and light-emitting brightness are displayed in the LED display screen, the frequency does not need to be improved so as to achieve high image quality of LED display, time redundancy is avoided, meanwhile, if the non-common-pole ends of the LED lamp beads in the light-emitting pixels of each line are electrically connected so as to form one data line, the number of the driving chips can be greatly reduced, and further, the manufacturing cost of the LED display is reduced.
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 arrangement of light-emitting pixels in an LED display method according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of an arrangement of light-emitting pixels in the LED display method according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of an arrangement of light-emitting pixels in an LED display method according to the prior art;
fig. 4 is a schematic structural diagram of an LED lamp bead in the LED display method provided by the 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," "row," "column," 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 arrangement of light emitting pixels in an LED display method according to an embodiment of the present invention; fig. 2 is another schematic structural diagram of an arrangement of light emitting pixels in the LED display method 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 method, which is applied to an LED display screen, where the LED display screen includes a plurality of light-emitting pixels 20 arranged in an array on a PCB 10, the light-emitting pixels 20 include 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 pixel 20 units are electrically connected to form a scan line 30, and are connected to a gating chip; the non-common-electrode ends 202 of the LED lamp beads in each row of the light-emitting pixels 20 are electrically connected to form at least one data line 40 and are connected to a driving chip.
The LED display method executed by the LED display structure in fig. 1 and 2 includes:
the gating chip gates the scanning lines 30 row by row, and simultaneously the driving chip lights the LED lamp beads row by row through the data lines 40 so as to display different light-emitting colors and different light-emitting luminances in the LED display screen.
In the LED display method provided in the embodiment of the present invention, the common 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 to form a scan line 30, and are connected to the gate chip, at this time, the scan line 30 in each row of the light-emitting pixels 20 is increased by several times; the non-common-pole ends 202 of the LED lamp beads in each row of the light-emitting pixels 20 are electrically connected to form at least one data line 40, and are connected to a driving chip, so that when the LED display screen is driven to scan, the scanning line 30 is gated line by line through the gating chip, and the driving chip lights the LED lamp beads line by line through the data line 40, so as to display different light-emitting colors and light-emitting brightness in the LED display screen, and the frequency does not need to be increased to realize high image quality of LED display, thereby avoiding a large amount of time redundancy, and greatly reducing the manufacturing cost of LED display.
It can be understood that the scan lines 30 and the data lines 40 in the LED display structure mentioned in the present invention can 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.
It is also understood that, after the row and column interchange of the scan lines 30 and the data lines 40 in fig. 1 and 2, the row and column interchange of the LED display method is also performed.
For example, if 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 to form a scan line 30, and are connected to the gating chip; the non-common-electrode ends 202 of the LED lamp beads in each row of the light-emitting pixels 20 are electrically connected to form at least one data line 40, and after the data line is connected to a driving chip, the LED display method includes: the gating chip gates the scanning lines 30 row by row, and simultaneously the driving chip lights the LED lamp beads row by row through the data lines 40 so as to display different light-emitting colors and different light-emitting luminances in the LED display screen.
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 to form a data line 40, although the scan lines 30 in the LED display screen are increased, thereby increasing the number of the gating chips, the scan lines 30 in the LED display screen are greatly reduced, and the number of the data lines 40 on the whole PCB board 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 is reduced.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an arrangement of light emitting pixels in an LED display method 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 scanning method provided by 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 Board with high precision, and connects the driving component On the module carrier Board through a medium, that is, the LED lamp bead is crystal-fixed On the PCB Board.
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 following is a detailed description of a specific structure diagram of the PCB 10 having one common terminal 201 and two non-common terminals 202.
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, the N-type welding plate 2013 is a common cathode end of the LED lamp bead, and the first luminous body is connected with the first P-type welding plate 201 through the first P-type welding plate 201321 is electrically connected with one anode substrate bonding pad 112, the second luminophor is electrically connected with the other anode substrate bonding pad 112 through a second P-type bonding pad 20122, the first P-type bonding pad 20121 and the second P-type bonding pad 20122 are electrically connected with the anode substrate bonding pad 112 through metal tin, the N-type bonding pad 2013 is electrically connected with the cathode substrate bonding pad 111 through metal tin, the first luminophor and the second luminophor are arranged between the substrate 2011 and the PCB 10, the first luminophor and the second luminophor are the same and respectively comprise a P-type conducting metal layer 2014, an N-type conducting metal layer 2015, a Bragg reflection layer 2016, a current expansion layer 2017, a P-type semiconductor 2018, an N-type semiconductor 2019, an insulating protection layer 2020 and an active light-emitting layer 2021, a P-type Bragg reflection layer through hole and an N-type Bragg reflection layer through hole are arranged on the Bragg reflection layer 2016, the first P-type bonding pad 20121 and the second P-type bonding pad 20122 are electrically connected with respective P-type conducting metal layers 2014 through the P-type Bragg reflection layer through the P-type Bragg reflection layer through hole, the N-type pad 2013 is electrically connected with the connecting metal through an N-type Bragg reflection layer through hole, and the Bragg reflection layer 2016 is formed by 28 layers of SiO 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.
It can be further understood that the LED display scanning method provided by the embodiment of the present invention is not limited to the COB display screen, but may also be applied to SMD (Surface Mounted Devices) display screens and IMD (Integrated Matrix device) display screens. 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 some embodiments, one scan line 30 is electrically connected to one gate signal pin of the gate chip separately; one data line 40 is electrically connected to one data signal pin 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 to perform constant current control on the LED lamp beads in each row of the 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 can be TLC6984 or MBI 515.
In addition, when the LED display scanning method provided by the embodiment of the present invention is adopted, 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, the scanning line 30 is gated by the gating chip line by line, and the LED lamp beads are lighted by the driving chip line by line through the data line 40, so that different light emitting colors and different light emitting luminances can be displayed in the LED display screen, thereby forming a complete image 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 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 by similarly separately routing 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 scanning 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 light-emitting 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 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 scanning line 30, anodes of the red LED lamp beads 210 of each column of light-emitting pixels 20 are connected to form a data line 40, anodes of the green LED lamp beads 220 of each column of light-emitting pixels 20 are electrically connected to form a data line 40, anodes of the 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 the required data lines 40 is 16 × 3 — 48, the number of the scanning lines 30 is 9, and 57 signals are required in total; in the LED display scanning method, 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 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, the number of scanning lines 30 is 9 × 3 ═ 27, and 43 signals are required in total. Therefore, the number of signals required by the whole PCB 10 in the LED display scanning method provided by the embodiment of the invention is greatly reduced, and the reduction ratio reaches 24.56%.
In specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as the same entity or several entities, and specific implementation of each unit or structure may refer to the foregoing embodiment, which is not described herein again.
The LED display method provided by the embodiment of the present invention is described in detail above, and the principle and the embodiment of the present invention are explained in detail herein by applying specific embodiments, and the description of the embodiment is only used to help understanding the method of the present invention and the core idea thereof; 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 method is applied to an LED display screen and is characterized in that the LED display screen comprises a plurality of light-emitting pixels which are arranged in an array mode, each light-emitting pixel comprises a plurality of LED lamp beads, common poles of the LED lamp beads with the same light-emitting color in each row of light-emitting pixel units are electrically connected to form a scanning line, and the scanning line is connected to a gating chip; the non-common-pole ends of the LED lamp beads in each row of the light-emitting pixels are electrically connected to form at least one data line and are connected to a driving chip;
the LED display method comprises the following steps:
the gating chip gates the scanning lines line by line, and meanwhile, the driving chip lights the LED lamp beads line by line through the data lines so as to display different light-emitting colors and different light-emitting luminances in the LED display screen.
2. The LED display method of claim 1, wherein the non-common terminals of the LED lamp beads of the same light emission color in each column of the light-emitting pixel units are electrically connected to form one data line.
3. The LED display method of claim 1, wherein the non-common terminals of the LED beads in each column of the light-emitting pixels are electrically connected to form one data line.
4. The LED display method of claim 1, wherein at least one strobe signal pin is disposed on the strobe chip.
5. The LED display method of claim 1, wherein at least one data signal pin is disposed on the driving chip.
6. The LED display method of claim 1, wherein each of the light emitting pixels comprises a red LED bead, a green LED bead, and a blue LED bead.
7. The LED display method of claim 6, wherein the common terminals between the red LED lamp beads in each row of the light-emitting pixel units are electrically connected to form one scan line.
8. The LED display method of claim 6, wherein the common terminals between the green LED lamp beads in each row of the light-emitting pixel units are electrically connected to form one scan line.
9. The LED display method of claim 6, wherein the common terminals between the blue LED lamp beads in each row of the light-emitting pixel units are electrically connected to form one of the scan lines.
10. The LED display method of claim 1, wherein the LED lamp beads are die-bonded to a PCB.
CN202210665977.XA 2022-06-14 2022-06-14 LED display method Pending CN114974093A (en)

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