CN116343603A - Display device - Google Patents

Display device Download PDF

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Publication number
CN116343603A
CN116343603A CN202111537774.4A CN202111537774A CN116343603A CN 116343603 A CN116343603 A CN 116343603A CN 202111537774 A CN202111537774 A CN 202111537774A CN 116343603 A CN116343603 A CN 116343603A
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CN
China
Prior art keywords
data lines
display device
light emitting
surface layer
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111537774.4A
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Chinese (zh)
Inventor
何东阳
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202111537774.4A priority Critical patent/CN116343603A/en
Publication of CN116343603A publication Critical patent/CN116343603A/en
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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]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines

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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)

Abstract

The application relates to the technical field of display and discloses a display device, which comprises: the LED display device comprises a plurality of scanning data lines, a plurality of signal data lines and a plurality of mini LED devices, wherein the scanning data lines and the signal data lines are crisscrossed; wherein two electrodes of the light emitting diode device are respectively connected to one of the plurality of scanning signal lines and one of the plurality of signal data lines; the scanning data lines and the signal data are distributed in different layers, wherein some data lines are arranged on the surface layer, and other data lines are connected with the surface layer through holes; the surface metal link connected with the hole is connected with two light emitting diode devices and one end, and the other end of the two light emitting diodes is respectively connected with two data lines distributed on the surface.

Description

Display device
Technical Field
The application relates to the technical field of display, and relates to a display device.
Background
In the display field, in order to realize control of the light emitting device, a circuit for driving the light emitting device and a wiring scheme are required.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in the circuit of the scanning display, the pixel density of the mini light emitting diode display device is difficult to increase due to the limitation of the process size of the substrate. .
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a display device to solve the problem that the pixel density of a mini light emitting diode display device is difficult to increase due to the limitation of the process size of a substrate in a circuit of scanning display.
The display device provided by the embodiment of the disclosure provides a display device, which comprises a plurality of scanning data lines, a plurality of signal data lines and a plurality of mini-light emitting diode (mini-LED) devices, wherein the scanning data lines and the signal data lines are crisscrossed,
the scanning data lines and the signal data are distributed on different layers, some data lines are arranged on the surface layer, other non-surface data lines are connected with surface metal through holes, the surface metal connected with the holes is connected with first electrodes of two light emitting diode devices, and second electrodes of the two light emitting diodes are respectively connected with two data lines distributed on the surface layer.
In some embodiments, the signal voltage of each of the scan lines is sequentially switched from an off voltage of the switching device to an on voltage of the switching device. During the address writing time of the row, the data lines are loaded with different signals according to the content to be displayed by the pixel. Different light emitting diodes are made to emit light of corresponding energy to form display contents.
In some embodiments, the process of the substrate of the display device is a Printed Circuit Board (PCB) process or a Flexible Printed Circuit (FPC) process.
In some embodiments, the display device is a dual color display device. The two colors are red and green.
In some embodiments, the two sub-pixel units are staggered.
In some embodiments, the surface layer data line is a Z-shaped trace.
In some embodiments, the surface layer data lines are signal data lines.
In some embodiments, the surface layer data lines are scan data lines.
The display provided by the embodiment of the disclosure comprises the display unit.
The display device, the driving method and the display provided by the embodiment of the disclosure can realize the following technical effects:
the pixel density of the mini light emitting diode display device is improved to a certain degree under a certain substrate process size.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
fig. 1 is a schematic view of a display device provided in an embodiment of the present disclosure.
Fig. 2 is a driving method of a display device provided in an embodiment of the present disclosure.
Fig. 3 is a schematic diagram of a staggered sub-pixel pair unit structure according to an embodiment of the disclosure.
Fig. 4 is a schematic diagram of a Z-shaped surface layer data line according to an embodiment of the disclosure.
Fig. 5 is a schematic diagram of a surface layer data line as a signal data line according to an embodiment of the disclosure.
Fig. 6 is a schematic diagram of a scan data line as a surface layer data line according to an embodiment of the disclosure.
Reference numerals:
101: a surface layer data line; 102: a non-surface layer data line; 103: a hole; 104: a first mini light emitting diode; 105: a first mini light emitting diode first electrode; 106: a first mini light emitting diode second electrode; 107: a second non-surface layer data line: 108: a second mini light emitting diode; 109: a second mini light emitting diode second electrode; 110: a second mini light emitting diode first electrode; 111: surface layer metal connected with the hole; 201: an nth column data line waveform; 202: an n+1th column signal data line driving waveform; 203: an mth line scan line driving waveform; 204: line drive waveform for the m+1th row 205: the m-th row write time; 206: row m+1 write time; 301: two mini light emitting diodes with surface metal connected; 302: two mini light emitting diodes in adjacent units perpendicular to the direction of the surface data line; 401: a first skin data line adjacent to the hole: 402: other layers of data lines; 403: a hole; 404: surface layer metal; 405 a second skin data line adjacent to the hole; 406: a mini light emitting diode; 407: a mini light emitting diode first electrode; 408: a mini light emitting diode second electrode; 501: scanning the data line; 502: a first signal data line; 503: a hole; 504: a first mini light emitting diode. 505: a first mini light emitting diode first electrode; 506: a first mini light emitting diode second electrode; 507: a second signal data line: 508: a second mini light emitting diode; 509: a second mini light emitting diode second electrode; 510: a second mini light emitting diode first electrode; 511: surface layer metal connected with the hole; 601: a signal data line; 602: a first scan data line; 603: a hole; 604: a first mini light emitting diode. 605: a first mini light emitting diode first electrode; 606: a first mini light emitting diode second electrode; 607: a second scan data line: 608: a second mini light emitting diode; 609: a second mini light emitting diode second electrode; 610: a second mini light emitting diode first electrode; 611: and surface layer metal connected with the holes.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
Referring to fig. 1, an embodiment of the present disclosure provides a display device including: comprising a plurality of scan data lines, a plurality of signal data lines, and a plurality of mini-light emitting diode (mini-LED) devices 104, 108, said scan data lines and signal data lines being crisscrossed, wherein,
the scanning data lines and the signal data are distributed in different layers, some data lines 102, 107 are arranged on the surface layer, other non-surface data lines 101 are connected with surface metal 111 through holes 103, the surface metal 111 connected with the holes 103 is connected with first electrodes 106, 109 of two light emitting diode devices 104, 108, and second electrodes 105, 110 of the two light emitting diodes are respectively connected with two data lines 102, 107 distributed on the surface layer.
Referring to fig. 2, in some embodiments, the driving waveform 203 of the nth row scan data line and the driving waveform 204 of the n+1th row scan data line are sequentially switched to the on voltage, and in the respective address times 205, 206, the mth column signal data line loads the driving signal 201, and the m+1th column signal data line loads the driving signal 202, so that different LEDs emit light of corresponding flux to form display contents.
Referring to fig. 3, in some embodiments, the two light emitting diodes 301 are staggered with two light emitting diodes 302 of adjacent cells in a direction perpendicular to the surface data line. I.e. not in a straight line.
Referring to fig. 4, in some embodiments, the surface data line 401 is a Z-shaped trace. The non-surface trace 402 is connected to the surface metal 404 through the hole 403, the surface metal 404 connected to the hole 403 is connected to the first electrodes 408, 410 of the two light emitting diode devices 406, 409, and the second electrodes 407, 411 of the two light emitting diodes are connected to the two data lines 401, 405 distributed on the surface.
Referring to fig. 5, in some embodiments, the skin data lines 502 are signal data lines. The scan data line 501 is connected to the surface metal 511 through the hole 503, the surface metal 511 connected to the hole 503 is connected to the first electrodes 506, 509 of the two light emitting diode devices 504, 508, and the second electrodes 505, 510 of the two light emitting diodes are respectively connected to the two data lines 502, 507 distributed on the surface.
Referring to fig. 6, in some embodiments, the surface data lines 602 are scan data lines. The signal data line 601 is connected to the surface metal 611 through the hole 603, the surface metal 611 connected to the hole 603 is connected to the first electrodes 606, 609 of the two light emitting diode devices 604, 608, and the second electrodes 605, 610 of the two light emitting diodes are respectively connected to the two data lines 602, 607 distributed on the surface.
The embodiment of the disclosure provides a display device, which has a certain improvement on the pixel density of a mini light emitting diode display device under a certain substrate process size.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The scope of the embodiments of the present disclosure encompasses the full ambit of the claims, as well as all available equivalents of the claims. When used in this application, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without changing the meaning of the description, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first element and the second element are both elements, but may not be the same element. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in this application, the terms "comprises," "comprising," and/or "includes," and variations thereof, mean that the stated features, integers, steps, operations, elements, and/or components are present, but that the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus comprising such element. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may use different methods for each particular application to achieve the described functionality, but such implementation is not to be considered as beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working procedures of the above-described systems, apparatuses and units may refer to the corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the connection between nodes in the disclosed circuit connection is only used to illustrate that two nodes conduct current or voltage signals, but is not limited to direct wire connection, and passive components such as resistors can be connected in series between the two nodes or other switching devices with other setting states for conduction can be added. These can be increased or decreased by engineers according to specific control requirements without changing the principle of the invention.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements may be merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

Claims (10)

1. The invention provides a display device, which comprises a plurality of scanning data lines, a plurality of signal data lines and a plurality of mini-light-emitting diode (mini-LED) devices, wherein the scanning data lines and the signal data lines are crisscrossed, and the scanning data lines and the signal data lines are arranged in a crisscrossed manner,
the scanning data lines and the signal data are distributed on different layers, some data lines are arranged on the surface layer, other non-surface data lines are connected with surface metal through holes, the surface metal connected with the holes is connected with first electrodes of two light emitting diode devices, and second electrodes of the two light emitting diodes are respectively connected with two data lines distributed on the surface layer.
2. The display device according to claim 1, wherein:
the display device driving method is as follows: the signal voltage of each scanning line is sequentially switched from the closing voltage of the switching device to the opening voltage of the switching device; in the writing time of the row, the data line loads different signals according to the content to be displayed by the pixel; different mini light emitting diodes are made to emit light of corresponding energy to form display contents.
3. The display device according to claim 1, wherein:
the process of the substrate of the display device is a Printed Circuit Board (PCB) process or a Flexible Printed Circuit (FPC) process.
4. The display device according to claim 1, wherein:
the display device is a dual primary color display device, and the dual primary colors are red and green.
5. The display device according to claim 1, wherein:
the two light emitting diodes are staggered with the two light emitting diodes of the adjacent units perpendicular to the direction of the surface data line.
6. The display device according to claim 5, wherein:
the surface layer data line is a Z-shaped wiring.
7. The display device according to claim 1, wherein:
the surface layer data line is a signal data line.
8. The display device according to claim 1, wherein:
the surface layer data lines are scanning data lines.
9. The display device according to claim 1, wherein:
the display device is a monochrome display.
10. A display comprising the features of claim 1.
CN202111537774.4A 2021-12-16 2021-12-16 Display device Pending CN116343603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111537774.4A CN116343603A (en) 2021-12-16 2021-12-16 Display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111537774.4A CN116343603A (en) 2021-12-16 2021-12-16 Display device

Publications (1)

Publication Number Publication Date
CN116343603A true CN116343603A (en) 2023-06-27

Family

ID=86879171

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111537774.4A Pending CN116343603A (en) 2021-12-16 2021-12-16 Display device

Country Status (1)

Country Link
CN (1) CN116343603A (en)

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