CN215730804U - Display screen - Google Patents
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- CN215730804U CN215730804U CN202023346975.XU CN202023346975U CN215730804U CN 215730804 U CN215730804 U CN 215730804U CN 202023346975 U CN202023346975 U CN 202023346975U CN 215730804 U CN215730804 U CN 215730804U
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Abstract
The utility model provides a display screen, which comprises a substrate, a plurality of light-emitting units and a transparent cover plate, wherein a circuit is arranged on the substrate, the light-emitting units are fixed on the substrate and are electrically connected with the circuit, the light-emitting units are used for displaying contents by emitting light, the transparent cover plate covers the substrate, the light-emitting units protrude relative to the upper surface of the substrate, a transparent connecting layer is clamped between the substrate and the transparent cover plate, the transparent connecting layer is made of a material different from that of the transparent cover plate and the substrate, and the light-emitting units are tightly embedded into the transparent connecting layer; the display screen has better structural stability.
Description
Technical Field
The utility model relates to the field of displays, in particular to a display screen.
Background
The transparent display screen has the effects of no sunlight shielding and perspective, and is commonly used in glass curtain wall buildings, airports, hotels, stages, shop windows and the like. With the development of the electronic industry, the thinning of the display device is always the development direction pursued in the industry.
The conventional transparent display screen includes a substrate, a plurality of light emitting units disposed on the substrate, and a conductive material, wherein the conductive material is usually ITO thin film or conductive materials such as copper and silver, and is attached to the transparent display substrate (e.g., organic glass substrate, PET substrate, etc.) to electrically connect the conductive electrode with the electrodes of the light emitting units. The light-emitting unit is directly adhered to the surface of the transparent display substrate.
However, the light emitting unit is usually directly adhered to the surface of the transparent display substrate, and this technical solution has the following disadvantages: 1. the adhesion force of the surface of the light-emitting unit attached to the transparent display substrate is small, so that the light-emitting unit is not stably attached. 2. Since the light emitting unit is sandwiched between the substrate and the transparent display substrate, the stability of the structure thereof needs to depend on the stability of the substrate and the transparent display substrate, and if the substrate and the transparent display substrate are displaced or bent, problems such as displacement of the light emitting unit or poor contact can be caused.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a display screen with stable structure.
In order to solve the technical problem, the utility model provides a display screen, which comprises a substrate, a plurality of light-emitting units and a transparent cover plate, wherein a circuit is arranged on the substrate, the light-emitting units are fixed on the substrate and are electrically connected with the circuit, the light-emitting units are used for displaying contents through light emission, the transparent cover plate covers the substrate, the light-emitting units protrude out of the upper surface of the substrate, a transparent connecting layer is clamped between the substrate and the transparent cover plate, the transparent connecting layer is made of a material different from that of the transparent cover plate and the substrate, and the light-emitting units are tightly embedded into the transparent connecting layer.
Preferably, the transparent connecting layer is formed by curing an adhesive, and the transparent connecting layer is fixedly bonded with the substrate and the transparent cover plate.
Preferably, the display screen further comprises a bottom plate, and the substrate, the plurality of light-emitting units and the transparent connecting layer are all located between the bottom plate and the transparent cover plate; the transparent connecting layer is formed by solidifying hot melt adhesive, and the bottom plate, the substrate, the transparent connecting layer and the transparent cover plate are all flexible.
Preferably, the substrate has a thickness of 1.5-2.5mm, the transparent connection layer has a thickness of 0.1-0.5mm, and the transparent cover plate has a thickness of 0.1-2.5 mm.
Preferably, a plurality of the light-emitting units form a display light bar, the connection circuits of the display light bars are independent of each other, the display screen further comprises a plurality of connection terminals, the connection terminals are fixedly connected with the substrate and/or the transparent cover plate, and the connection circuit of each display light bar is electrically connected with at least one of the connection terminals.
Preferably, the plurality of display light bars are distributed on the substrate or the transparent cover plate in a long strip shape, and a preset distance is arranged between the connecting circuits of the adjacent display light bars.
Preferably, the display screen further comprises fixing nails, wherein connecting holes which are matched with each other are formed in the substrate and the transparent cover plate, and the fixing nails penetrate through the connecting holes in the substrate and the transparent cover plate so as to fix the substrate and the transparent cover plate.
Preferably, the display screen comprises a plurality of display light bars;
the light-emitting units are LED light-emitting units, and a plurality of light-emitting units which are connected in series form a display light bar; alternatively, the first and second electrodes may be,
the circuit comprises a first power supply circuit, a second power supply circuit and a signal circuit, wherein each light-emitting unit of the display lamp bar is connected between the first power supply circuit and the second power supply circuit in parallel, and the signal circuit is connected with the light-emitting units in series.
Preferably, the display screen is provided with a connecting terminal, and the plurality of light-emitting units are electrically connected with the connecting terminal; the connection terminals include a first connection terminal and a second connection terminal.
Preferably, the first connection terminal and the second connection terminal protrude from an outer surface of the display screen, and a position where the first connection terminal and the second connection terminal protrude is needle-shaped; alternatively, the first and second electrodes may be,
the first connection terminal and the second connection terminal are located between the substrate and the transparent cover plate.
The light-emitting unit is fixed by arranging the transparent connecting layer and embedding and fixing the light-emitting unit in the transparent connecting layer, so that the structural stability of the light-emitting unit is better.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.
FIG. 1 is an exploded view of a display screen in accordance with a preferred embodiment of the present invention;
FIG. 2 is a plan view of a circuit configuration of a preferred embodiment of the present invention;
FIG. 3 is a plan view of a circuit configuration of another preferred embodiment of the present invention;
fig. 4 is a partial plan view of a circuit configuration in accordance with yet another preferred embodiment of the present invention.
In the figure: 1. a substrate; 2. a substrate; 21. a light emitting unit; 22. a transparent tie layer; 3. a transparent cover plate; 4. Fixing nails; 51. a first connection terminal; 52. a second connection terminal; 53. a third connection terminal; 61. a first power supply circuit; 62. a second power supply circuit; 63. a signal circuit; 7. an edge.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the present invention provides a display panel including a substrate, a plurality of light emitting units and a transparent cover plate, wherein a circuit is disposed on the substrate, the plurality of light emitting units are fixed on the substrate and electrically connected to the circuit, and the plurality of light emitting units are used for displaying contents by emitting light. The transparent cover plate covers the substrate, the light-emitting units protrude relative to the upper surface of the substrate, a transparent connecting layer is clamped between the substrate and the transparent cover plate, the transparent connecting layer is different from the transparent cover plate and the substrate in materials, and the light-emitting units are tightly embedded into the transparent connecting layer. By providing the transparent connection layer 22 and fixing the light emitting unit 21 in the transparent connection layer 22 by embedding, the light emitting unit 21 is fixed, and the stability of the structure thereof is further enhanced.
In a preferred embodiment, the transparent connecting layer is formed by curing an adhesive, and the transparent connecting layer is fixedly bonded with the substrate and the transparent cover plate. When the LED lamp is manufactured, the substrate 2 fixed with the light-emitting unit 21 and the circuit is firstly placed flatly, then the transparent adhesive tape is poured on the substrate 2, the transparent cover plate 3 is placed on the upper portion of the transparent adhesive tape, and curing molding is carried out.
As a further improvement of the above embodiment, the display screen further includes a bottom plate 1, and the substrate 2, the plurality of light emitting units 21 and the transparent connecting layer 22 are all located between the bottom plate 1 and the transparent cover plate 3; the transparent connecting layer 22 is formed by curing hot melt adhesive, and the bottom plate 1, the substrate 2, the transparent connecting layer 22 and the transparent cover plate 3 are all flexible. The transparent connecting layer 22 is formed by solidifying hot melt adhesive, and after the hot melt adhesive is integrally formed with the light-emitting unit 21, the hot melt adhesive is heated again to be fixedly connected with the transparent cover plate 3. When the transparent cover plate is manufactured, the light-emitting unit 21 and the circuit are fixed in the hot melt adhesive, and the transparent cover plate 3 is stacked on the transparent connecting layer after the hot melt adhesive is solidified. Then heating to melt the part of the surface of the hot melt adhesive close to the transparent cover plate 3, so that the substrate 2, the transparent connecting layer 22 and the transparent cover plate 3 are connected and fixed; alternatively, the transparent connecting layer 22 and the transparent cover plate 3 are bonded again using transparent adhesive. The hot melt adhesive is EVA (ethylene-vinyl acetate copolymer) which is a plastic material and consists of ethylene (E) and Vinyl Acetate (VA).
As a further improvement of the above embodiment, the substrate 2, the transparent connecting layer 22 and the transparent cover 3 are all flexible, and the flexibility is that the substrate cannot be easily broken when being bent by an external force, and can also be restored to the original shape. The manufactured display screen, namely the flexible plate, can be bent.
As a further improvement of the above embodiment, the thickness of the substrate 2 is 1.5-2.5mm, preferably the thickness of the substrate 2 is 2 mm. The thickness of the transparent bonding layer 22 is 0.1-0.5mm, and preferably, the thickness of the transparent bonding layer 22 is 0.2 mm. The thickness of the transparent cover plate 3 is 0.1-2.5mm, preferably, the thickness of the transparent cover plate 3 is 0.2 mm. Because the transparent connecting layer 22 of the display screen fixes the light-emitting component, the structure is stable enough, and the bottom plate 1 and the transparent cover plate 3 are not needed to fix the light-emitting unit 21, therefore, the transparent cover plate 3 and the bottom plate 1 can be thin enough, and the thickness of the display screen is still thin compared with the existing display screen.
In a preferred embodiment, the light emitting unit 21 may be an LED light emitting unit having a plurality of pins (not shown), which are electrically connected to the conductive circuit. Therefore, the transparent display screen realizes the display of characters and patterns by the on and off of the LED light-emitting units, and can be diversified in color, high in brightness and low in manufacturing cost.
As a further improvement of the above embodiment, the transparent cover plate 3 is made of transparent glass or acrylic or polyethylene terephthalate (PET) or Polyimide (PI) or polycarbonate; the substrate 2 and the base plate 1 are also made of transparent glass or acrylic or polyethylene terephthalate (PET) or Polyimide (PI) or polycarbonate.
As a further improvement of the above embodiment, the plurality of light emitting units in each accommodating groove 31 form a display light bar, the connection circuits of the plurality of display light bars are independent of each other, the display screen further includes a plurality of connection terminals, the connection terminals are fixedly connected with the substrate 2 and/or the transparent cover plate 3, and the connection circuit of each display light bar is electrically connected with at least one connection terminal.
Referring to fig. 2, as a further improvement of the above embodiment, the plurality of display light bars are distributed on the substrate 2 or the transparent cover plate 3 in a strip shape, and the connection circuits of the adjacent display light bars are spaced by a predetermined distance. Furthermore, the substrate and the transparent cover plate are both display substrates, and during production, a connecting circuit can be formed on a large-size display substrate motherboard, a light-emitting unit is installed, and then the display screen with the required size can be cut according to the requirements of customers.
In one embodiment, the display screen is rectangular, and the display light bar extends along the length direction of the substrate 2, and the display light bar extends from one end of the substrate 2 or the transparent cover plate 3 to the other end. Referring to fig. 4, in another embodiment, the display screen is rectangular, and the display light bars extend along the width direction of the substrate 2, and extend from one side of the substrate 2 or the transparent cover 3 to the other side.
As a further improvement of the above embodiment, the light emitting device layer 2 further includes a power supply circuit, and the plurality of light emitting units 21 are electrically connected to the power supply circuit.
The circuit includes a power supply circuit and a signal circuit, and the signal circuit includes a driving power supply that supplies a driving voltage to the light emitting unit 21. The conductive circuit can be ITO (indium tin oxide) or a metal material (such as a conductive material of copper, silver, etc.), wherein ITO is a semiconductor material, and has high conductivity and high visible light transmittance, so that the conductive circuit of the transparent display panel not only has good conductivity, but also can enhance the display effect of the transparent display panel. The conductive circuit is formed on the transparent cover plate 3 in a printing, printing or sputtering mode, and by using the forming method, the manufacturing process of the conductive circuit can be simplified, the labor and material cost can be reduced, and the production cost can be reduced.
As the further improvement of the embodiment, the substrate 2 and the transparent cover plate 3 are fixedly connected through hot melting, sealant is saved through hot melting connection, the environment is protected, the processes are reduced, and the production efficiency can be improved. This display screen still includes staple 4, is provided with the connecting hole of mutually supporting on base plate 2 and the transparent cover plate 3, and staple 4 runs through the connecting hole on base plate 2 and the transparent cover plate 3 to it is fixed with base plate 2 and transparent cover plate 3.
In one embodiment, the light emitting units 21 are LED light emitting units, and at least the light emitting units 21 of each display light bar are connected in series. In another embodiment, the circuit includes a first power supply circuit 61, a second power supply circuit 62, and a signal circuit 63, the plurality of light emitting units of each display light bar are connected in parallel between the first power supply circuit 61 and the second power supply circuit 62, and the signal circuit 63 is connected in series with the plurality of light emitting units 21.
Every display lamp strip all is provided with first connecting foot and second connecting foot, all connects through a plurality of branch circuits electricity that switch on between two adjacent first connecting feet and between two adjacent second connecting feet. The plurality of conducting branches between adjacent first connecting pins and the plurality of conducting branches between adjacent second connecting pins can be independent of each other. The light emitting units 21 have first electrodes and second electrodes, the first electrode of each light emitting unit 21 can be soldered to a first connection pin, and the second electrode of each light emitting unit 21 can be soldered to a second connection pin. Through setting up a plurality of branch circuits that lead to, on the one hand opens the effect of reposition of redundant personnel, reduces the loss of conducting circuit when the transmission, and on the other hand increases conducting circuit's cross-sectional area to reduce resistance, thereby reduce the loss of voltage in transmission path, reduce the pressure drop promptly, keep the stability of voltage.
Referring to fig. 2 and 3, as a further modification of the above embodiment, the display screen is provided with a connection terminal, and the light emitting unit 21 is electrically connected to the connection terminal. The connection terminals include a first connection terminal 51, a second connection terminal 52 and a third connection terminal, specifically, the first connection terminal 51 is electrically connected to the first power supply circuit, the second connection terminal 52 is electrically connected to the second power supply circuit, and the third connection terminal 53 is connected to the signal circuit 63. Referring to fig. 3, in an embodiment, the first connecting terminal 51, the second connecting terminal 52 and the third connecting terminal 53 protrude from the outer surface of the display screen, and the protruding positions of the first connecting terminal 51, the second connecting terminal 52 and the third connecting terminal 53 are needle-shaped, so that when the display screen is used, the first connecting terminal 51, the second connecting terminal 52 and the third connecting terminal 53 pierce through the insulating layer of the external circuit to achieve quick connection. Referring to fig. 2, in another embodiment, a connection terminal is disposed on the display screen, and the light emitting unit 21 is electrically connected to the connection terminal; the connection terminals include a first connection terminal 51, a second connection terminal 52, and a third connection terminal 53; the first connecting terminal 51, the second connecting terminal 52 and the third connecting terminal 53 are located between the substrate 2 and the transparent cover 3, and when the display is used, the external circuit is provided with the conductive pins which penetrate the substrate 2 or the transparent cover 3 of the display and then contact with the first connecting terminal 51, the second connecting terminal 52 and the third connecting terminal 53, so that the electrical connection is realized, and the quick connection can also be realized. Specifically, the first connection terminal 51, the second connection terminal 52, and the third connection terminal 53 are provided at the edge 7 of the display screen.
In one embodiment, each display light bar is connected to a different connector terminal, and can be cut from between any adjacent light bars when sold. In another embodiment, the same connecting terminal is connected to adjacent a plurality of lamp strips, when selling, can follow and connect the cutting between the lamp strip of different terminals. The display screen is cut when sold without cutting off the circuit. In another embodiment, the conductive circuit includes a plurality of first power supply circuits 61 and a plurality of second power supply circuits 62, the first power supply circuits 61 are electrically connected to the first connection terminals 51, and the second power supply circuits 62 are electrically connected to the second connection terminals 52. Each first power supply circuit 61 is electrically connected with a plurality of first connection pins, each second power supply circuit 62 is electrically connected with a plurality of second connection pins, the plurality of first power supply circuits 61 and the plurality of second power supply circuits 62 are alternately arranged, the first power supply circuits 61 are isolated from the second power supply circuits 62, the plurality of first power supply circuits 61 are connected with each other, and the plurality of second power supply circuits 62 are connected with each other. In this embodiment, the first power supply circuit 61 is a positive region of the conductive circuit, the second power supply circuit 62 is a negative region of the conductive circuit, and the positive region of the conductive circuit is isolated from the negative region of the conductive circuit, so as to prevent the positive region of the conductive circuit from being short-circuited with the negative region of the conductive circuit. In the embodiment, the first electrode of the light emitting unit 21 is an anode of the light emitting unit 21, the second electrode is a cathode of the light emitting unit 21, the first connection pin is an anode of the conductive circuit, the second connection pin is a cathode of the conductive circuit, the anode of the light emitting unit 21 is electrically connected to the anode of the conductive circuit, and the cathode of the light emitting unit 21 is electrically connected to the cathode of the conductive circuit. By connecting the first power supply circuits 61 and the second power supply circuits 62, the first power supply circuits 61 and the second power supply circuits 62 are integrated, which is not only easy to form, but also convenient to install or maintain. An isolation gap is arranged between the first power supply circuit 61 and the second power supply circuit 62, a signal circuit 63 is arranged in the isolation gap, the signal circuit 63 is isolated from the first power supply circuit 61 and the second power supply circuit 62, and the signal circuit 63 is electrically connected with the light-emitting unit 21. The arrangement line space on the transparent cover plate 3 can be fully utilized by arranging the signal circuit 63 in the isolation gap, so that the thickness of the transparent display screen is reduced, and the transparent display screen is thinner.
Referring to fig. 2, as a further modification of the above embodiment, the conducting branches in each of the first power supply circuits 61 and the second power supply circuits 62 are distributed in a mesh shape to form the first power supply circuits 61 and the second power supply circuits 62. Through setting up the branch of conducting of netted distribution for first supply circuit 1 and second supply circuit 62 form netted return circuit, can reduce the resistance of first supply circuit 61 and second supply circuit 62, with the power consumption that reduces conducting circuit, and have good shielding effect.
The plurality of conducting branches are arranged in a grid shape; or the plurality of conducting branches are formed by a plurality of polygonal conducting wires which are connected with each other; or the conducting branches comprise a plurality of parallel first conducting wires and second conducting wires connected with the first conducting wires. Through the structure, the plurality of conducting branches form a net-shaped loop, so that the resistance of the first power supply circuit and the second power supply circuit can be reduced, and the power consumption of the conducting circuit is reduced. In addition, the hollow part of the grid-shaped conduction branch is light-permeable, so that the light transmission of the display screen is further enhanced, and a good display effect (clear image display) is achieved.
According to the utility model, the transparent connecting layer 22 is arranged, and the light-emitting unit 21 is embedded and fixed in the transparent connecting layer 22, so that the light-emitting unit 21 is fixed, and the structural stability is better. In addition, the flexible substrate 2, the transparent connecting layer 22 and the transparent cover plate 3 are adopted, so that the display screen is a flexible display screen capable of being bent, and can be made into a flat display screen, a curved display screen or a display screen with other shapes.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. The utility model provides a display screen, its characterized in that includes base plate (2), a plurality of luminescence unit (21) and transparent cover plate (3), be provided with the circuit on base plate (2), a plurality of luminescence unit (21) are fixed on base plate (2), and with the circuit electricity is connected, a plurality of luminescence unit (21) are used for through luminous display content, transparent cover plate (3) cover on base plate (2), luminescence unit (21) for the upper surface of base plate (2) is protruding, base plate (2) with transparent connecting layer (22) has still been held between transparent cover plate (3), transparent connecting layer (22) with the material of transparent cover plate (3) and base plate (2) is different, a plurality of luminescence unit (21) closely imbed in transparent connecting layer (22).
2. The display screen according to claim 1, wherein the transparent connecting layer (22) is formed by curing an adhesive, and the transparent connecting layer (22) is fixedly bonded with the substrate (2) and the transparent cover plate (3).
3. A display screen according to claim 1, characterized in that the display screen further comprises a bottom plate (1), the substrate (2), the plurality of light emitting units (21) and the transparent connecting layer (22) being located between the bottom plate (1) and the transparent cover plate (3); the transparent connecting layer is formed by solidifying hot melt adhesive, and the bottom plate (1), the substrate (2), the transparent connecting layer (22) and the transparent cover plate (3) are all flexible.
4. A display screen according to claim 1, characterised in that the substrate (2) has a thickness of 1.5-2.5mm, the transparent connection layer (22) has a thickness of 0.1-0.5mm and the transparent cover plate (3) has a thickness of 0.1-2.5 mm.
5. A display screen according to claim 1, wherein a plurality of the light-emitting units (21) form a display light bar, the connection circuits of the display light bars are independent of each other, the display screen further comprises a plurality of connection terminals, the connection terminals are fixedly connected with the substrate (2) and/or the transparent cover plate (3), and the connection circuit of each display light bar is electrically connected with at least one of the connection terminals.
6. The display screen of claim 5, wherein the plurality of display light bars are distributed in a strip shape on the substrate (2) or the transparent cover plate (3), and the connecting circuits of adjacent display light bars are spaced by a preset distance.
7. A display screen according to claim 1, characterized in that the display screen further comprises fixing nails, the base plate (2) and the transparent cover plate (3) are provided with mutually matching connecting holes, and the fixing nails (4) penetrate through the connecting holes on the base plate (2) and the transparent cover plate (3) so as to fix the base plate (2) and the transparent cover plate (3).
8. The display screen of claim 1, wherein the display screen comprises a plurality of display light bars;
the light-emitting unit (21) is an LED light-emitting unit (21), and a plurality of light-emitting units (21) which are connected in series form a display lamp bar; alternatively, the first and second electrodes may be,
the circuit comprises a first power supply circuit (61), a second power supply circuit (62) and a signal circuit (63), wherein a plurality of light-emitting units (21) of each display light bar are connected between the first power supply circuit (61) and the second power supply circuit (62) in parallel, and the signal circuit (63) is connected with the plurality of light-emitting units (21) in series.
9. The display screen according to claim 1, wherein the display screen is provided with a connecting terminal, and a plurality of the light-emitting units (21) are electrically connected with the connecting terminal; the connection terminals include a first connection terminal (51) and a second connection terminal (52).
10. A display panel according to claim 9, wherein the first connection terminal (51) and the second connection terminal (52) protrude from an outer surface of the display panel, and the first connection terminal (51) and the second connection terminal (52) protrude in a needle-like shape; alternatively, the first and second electrodes may be,
the first connection terminal (51) and the second connection terminal (52) are located between the substrate (2) and the transparent cover plate (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023346975.XU CN215730804U (en) | 2020-12-31 | 2020-12-31 | Display screen |
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| CN202023346975.XU CN215730804U (en) | 2020-12-31 | 2020-12-31 | Display screen |
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|---|---|---|---|---|
| CN117612479A (en) * | 2023-11-24 | 2024-02-27 | 深圳御光新材料有限公司 | Selection circuit, LED display device and LED lamp strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117612479A (en) * | 2023-11-24 | 2024-02-27 | 深圳御光新材料有限公司 | Selection circuit, LED display device and LED lamp strip |
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Effective date of registration: 20240128 Address after: 510000, Room 008, 1718, No. 37 Jinlong, Nansha Street, Xiangjiang Financial and Business Center, Nansha District, Guangzhou City, Guangdong Province (office only) Patentee after: Qingchi Technology (Guangzhou) Co.,Ltd. Country or region after: China Address before: 511453 4th floor, daligao clothing Park (complex building of No. 2 Office workshop), Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU QIHONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |