CN211264843U - LED transparent display screen - Google Patents
LED transparent display screen Download PDFInfo
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- CN211264843U CN211264843U CN201922155462.1U CN201922155462U CN211264843U CN 211264843 U CN211264843 U CN 211264843U CN 201922155462 U CN201922155462 U CN 201922155462U CN 211264843 U CN211264843 U CN 211264843U
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Abstract
An LED transparent display screen comprising: a transparent substrate; the first transparent conducting layer is arranged above the transparent substrate, and is etched with a first driving electrode; the first bonding pad is arranged on the first transparent conducting layer and is fixedly provided with a front light-emitting LED device; one end of the first driving electrode is connected with the first bonding pad, and the other end of the first driving electrode is connected with the flexible circuit board; the second transparent conducting layer is arranged below the transparent substrate and is etched with a second driving electrode; the second bonding pad is arranged below the second transparent conducting layer and is fixedly provided with a reverse side light-emitting LED device; one end of the second driving electrode is connected with the second bonding pad, and the other end of the second driving electrode is connected with the flexible circuit board; the second bonding pad and the first bonding pad are arranged in a staggered mode; a front transparent protective panel is arranged above the front light-emitting LED device. The utility model discloses a with first pad and second pad dislocation arrangement to transparent substrate's two sides and fixed the luminous LED device of front and reverse side respectively, make the LED device all can give off light towards a direction, realized the multiplication of pixel density.
Description
Technical Field
The utility model belongs to transparent display screen field, concretely relates to LED transparent display screen.
Background
At present, the LED display application industry is steadily developed, the overall scale is promoted year by year, the LED display application industry is an important component in an LED industry chain, and LED display application products represented by an LED display screen are widely applied to various fields of society and economy. With the driving of the application market, the LED transparent display screen also becomes a hot spot of current research. The novel glass-fiber-reinforced plastic composite material can enrich visual contents while not blocking sight, and is widely applied to places such as subways, airports, glass trestles, advertising media, chain stores, superstores, enterprise exhibition halls, museums, science and technology museums and the like. The traditional manufacturing method of the LED transparent display screen comprises the following steps: the method comprises the steps of firstly coating a transparent conductive layer on a transparent substrate and etching a driving electrode, fixing an LED device at one end of the electrode on the transparent substrate by conductive adhesive, then pressing an external driving circuit to the other end of the driving electrode by ACF, and finally bonding a front panel and the substrate by a transparent non-conductive material. Currently, Indium Tin Oxide (Indium Tin Oxide) and Indium Zinc Oxide (Indium Zinc Oxide) are mostly used for transparent conductive coatings. Influenced by the transparent conductive coating material, the LED device pitch of the LED transparent display screen manufactured by the traditional method is difficult to achieve 30 mm.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a LED transparent display screen, LED transparent display screen's simple structure has solved the problem that is difficult to reduce the LED device interval.
According to the utility model discloses LED transparent display screen of first aspect embodiment, include: a transparent substrate for providing a carrier; the first transparent conducting layer is arranged above the transparent substrate, and a first driving electrode is etched on the first transparent conducting layer; the first bonding pad is arranged on the first transparent conducting layer and is fixedly provided with a front light-emitting LED device; one end of the first driving electrode is connected with the first bonding pad, and the other end of the first driving electrode is used for connecting an upper flexible circuit board; the second transparent conducting layer is arranged below the transparent substrate and is etched with a second driving electrode; the second bonding pad is arranged below the second transparent conducting layer and is fixedly provided with a reverse side light-emitting LED device; one end of the second driving electrode is connected with the second bonding pad, and the other end of the second driving electrode is connected with the lower flexible circuit board; the second bonding pad and the first bonding pad are arranged in a staggered mode; and the front transparent protective panel is arranged above the front light-emitting LED device and is bonded with the transparent substrate through transparent non-conductive optical cement.
According to the utility model discloses LED transparent display screen has following technological effect at least: by arranging the first pads and the second pads to be staggered on both sides of the transparent substrate, multiplication of the pad density visually can be realized. Meanwhile, the front-side light-emitting LED device and the back-side light-emitting LED device are respectively fixed on the first bonding pad and the second bonding pad, so that the front-side and the back-side LED devices can emit light in one direction, the multiplication of the pixel density in vision can be finally realized, and the pitch of the LED devices can be reduced to 21 mm. In addition, contrast and traditional structure, under same pixel density, because the utility model discloses a seen the luminous structure in two sides, then drive electrode's resistance also can be littleer, and luminous efficiency also can be higher to, drive electrode's resistance diminishes and can also make transparent display's size possible bigger. A front transparent protective panel may provide front protection.
According to some embodiments of the utility model, above-mentioned transparent display screen of LED still includes the transparent protection panel in back, set up in the luminous LED device below of reverse side to through transparent non-conductive optical cement with transparent substrate bonds.
According to some embodiments of the invention, the first pad, the second pad, the first driving electrode, and the second driving electrode are all N; the N first driving electrodes are correspondingly connected with the N first bonding pads one by one; one end of each of the N second driving electrodes is correspondingly connected with the N second bonding pads one by one; the N first bonding pads and the N second bonding pads are arranged in a staggered mode.
According to some embodiments of the present invention, the upper flexible wiring board comprises a first flexible wiring board and a second flexible wiring board disposed at two symmetrical sides of the transparent substrate; each first driving electrode is connected with the first flexible circuit board or the second flexible circuit board; the lower flexible circuit board comprises a third flexible circuit board and a fourth flexible circuit board which are arranged on the two symmetrical sides of the transparent substrate; each second driving electrode is connected with the third flexible circuit board or the fourth flexible circuit board.
According to some embodiments of the present invention, the front side emitting LED device and the back side emitting LED device all adopt RGB three-color LEDs.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a cross-sectional view of an embodiment of the LED transparent display of the present invention;
fig. 2 is an enlarged schematic view of a partial position a in fig. 1.
Reference numerals:
a transparent substrate 100,
A first transparent conductive layer 210, a first pad 220, a front side light emitting LED device 230, an upper flexible wiring board 240,
A second transparent conductive layer 310, a second bonding pad 320, a reverse side light-emitting LED device 330, a lower flexible circuit board 340,
A front transparent protective panel 400,
A rear transparent protective panel 500,
Transparent non-conductive optical cement 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, fourth, etc. described, it is only for the purpose of distinguishing technical features, and it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
An LED transparent display screen according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
According to the utility model discloses LED transparent display screen, include: the transparent substrate 100, the first transparent conductive layer 210, the first pad 220, the second transparent conductive layer 310, the second pad 320, and the front transparent protective panel 400. A transparent substrate 100 for providing a carrier; a first transparent conductive layer 210 disposed above the transparent substrate 100 and etched with a first driving electrode; a first pad 220 disposed on the first transparent conductive layer 210 and fixed with a front light emitting LED device 230; one end of the first driving electrode is connected to the first pad 220, and the other end is used for connecting to the upper flexible circuit board 240; a second transparent conductive layer 310 disposed under the transparent substrate 100 and etched with a second driving electrode; a second pad 320 disposed under the second transparent conductive layer 310 and fixed with a reverse side light emitting LED device 330; one end of the second driving electrode is connected with the second pad 320, and the other end is used for connecting the lower flexible circuit board 340; the second pads 320 are arranged in a staggered manner with respect to the first pads 220; the front transparent protective panel 400 is disposed above the front light-emitting LED device 230, and is bonded to the transparent substrate 100 through the transparent non-conductive adhesive 600.
Referring to fig. 1 to 2, a first transparent conductive layer 210 is coated or plated over a transparent substrate 100, then a first driving electrode is etched on the first transparent conductive layer 210, and a first pad 220 is disposed at one end of the first driving electrode, then a front surface emitting LED device 230 is disposed on the first pad 220, and then the other end of the first driving electrode is press-bonded to an upper flexible wiring board 240 with ACF; a second transparent conductive layer 310, a second pad 320, a second driving electrode are disposed under the transparent substrate 100 in a similar manner, and a reverse-side light emitting LED device 330 is disposed on the second pad 320. The first bonding pad 220 and the second bonding pad 320 need to be arranged in a staggered manner, so that pixel points are prevented from being overlapped when the front light-emitting LED device 230 and the back light-emitting LED device 330 emit light. Finally, a front transparent protective panel 400 is also provided over the front emitting LED devices 230.
According to the utility model discloses LED transparent display screen, through with first pad 220 and second pad 320 dislocation arrangement to the two sides of transparent substrate 100, can realize the multiplication of pad density in the vision. Meanwhile, the front side light-emitting LED device 230 and the back side light-emitting LED device 330 are respectively fixed on the first bonding pad 220 and the second bonding pad 320, so that the front side LED device and the back side LED device can emit light in one direction, and finally, the multiplication of the pixel density in vision can be realized, and even the pitch of the LED devices can be reduced to 15 mm. In addition, contrast and traditional structure, under same pixel density, because the utility model discloses a seen the luminous structure in two sides, then drive electrode's resistance also can be littleer, and luminous efficiency also can be higher to, drive electrode's resistance diminishes and can also make transparent display's size possible bigger. The front transparent protective panel 400 is used to protect the rear front and rear light-emitting LED devices 230 and 330 from a front impact.
In some embodiments of the present invention, the LED transparent display screen further includes a rear transparent protection panel 500 disposed below the reverse light-emitting LED device 330 and bonded to the transparent substrate 100 through the transparent non-conductive adhesive 600. The use of the rear transparent protective panel 500 can protect the front and rear light-emitting LED devices 230 and 330 from rear impact. And can realize the overall protection of the internal devices after being used in cooperation with the front transparent protective panel 400.
In some embodiments of the present invention, there are N first pads 220, N second pads 320, N first driving electrodes, and N second driving electrodes; the N first driving electrodes are connected to the N first pads 220 in a one-to-one correspondence; one end of each of the N second driving electrodes is connected to the N second pads 320 in a one-to-one correspondence; the N first pads 220 are arranged offset from the N second pads 320. The display effect can be effectively improved by arranging more first bonding pads 220, second bonding pads 320, first driving electrodes and second driving electrodes, and each bonding pad is provided with one driving electrode which is connected independently, so that independent control of any one LED device can be realized.
In some embodiments of the present invention, the upper flexible printed circuit 240 includes a first flexible printed circuit and a second flexible printed circuit disposed at two symmetrical sides of the transparent substrate 100; each first driving electrode is connected with the first flexible circuit board or the second flexible circuit board; the lower flexible wiring board 340 includes a third flexible wiring board and a fourth flexible wiring board disposed at symmetrical both sides of the transparent substrate 100; each second driving electrode is connected with the third flexible circuit board or the fourth flexible circuit board. Through the mode of bilateral being qualified for the next round of competitions, on the one hand can improve display control's stability, on the other hand has also possessed and has made LED transparent display screen size further big ability, compares in unilateral being qualified for the next round of competitions, and the size can be doubled again.
In some embodiments of the present invention, both the front side emitting LED device 230 and the back side emitting LED device 330 employ RGB three-color LEDs. The RGB three-color LED can be used for better optimizing the display effect and meeting the requirements of more users.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. An LED transparent display screen, comprising:
a transparent substrate (100) for providing a carrier;
a first transparent conductive layer (210) disposed above the transparent substrate (100) and etched with a first driving electrode;
a first pad (220) disposed on the first transparent conductive layer (210) and having a front side light emitting LED device (230) fixed thereto; one end of the first driving electrode is connected with the first bonding pad (220), and the other end of the first driving electrode is used for connecting an upper flexible circuit board (240);
a second transparent conductive layer (310) disposed below the transparent substrate (100) and etched with a second driving electrode;
a second pad (320) disposed below the second transparent conductive layer (310) and having a reverse side light emitting LED device (330) fixed thereto; one end of the second driving electrode is connected with the second bonding pad (320), and the other end of the second driving electrode is connected with a lower flexible circuit board (340); the second bonding pad (320) is arranged in a staggered mode with the first bonding pad (220);
and the front transparent protective panel (400) is arranged above the front light-emitting LED device (230) and is bonded with the transparent substrate (100) through a transparent non-conductive optical cement (600).
2. The LED transparent display screen according to claim 1, further comprising a rear transparent protection panel (500), wherein the rear transparent protection panel (500) is arranged below the reverse side light-emitting LED device (330) and is adhered to the transparent substrate (100) through a transparent non-conductive optical adhesive (600).
3. The LED transparent display screen of claim 1, wherein the number of the first bonding pads (220), the second bonding pads (320), the first driving electrodes and the second driving electrodes is N; the N first driving electrodes are correspondingly connected with the N first bonding pads (220) one by one; one ends of the N second driving electrodes are correspondingly connected with the N second bonding pads (320) one by one; the N first bonding pads (220) are arranged in a staggered mode with the N second bonding pads (320).
4. The LED transparent display screen of claim 3, wherein the upper flexible wiring board (240) comprises a first flexible wiring board and a second flexible wiring board arranged at two symmetrical sides of the transparent substrate (100); each first driving electrode is connected with the first flexible circuit board or the second flexible circuit board; the lower flexible circuit board (340) comprises a third flexible circuit board and a fourth flexible circuit board which are arranged on two symmetrical sides of the transparent substrate (100); each second driving electrode is connected with the third flexible circuit board or the fourth flexible circuit board.
5. The LED transparent display screen of claim 1, wherein the front-side light-emitting LED devices (230) and the back-side light-emitting LED devices (330) are RGB three-color LEDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155462.1U CN211264843U (en) | 2019-12-05 | 2019-12-05 | LED transparent display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155462.1U CN211264843U (en) | 2019-12-05 | 2019-12-05 | LED transparent display screen |
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| Publication Number | Publication Date |
|---|---|
| CN211264843U true CN211264843U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922155462.1U Active CN211264843U (en) | 2019-12-05 | 2019-12-05 | LED transparent display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530294A (en) * | 2020-12-25 | 2021-03-19 | 河南达斯莱博传媒科技有限公司 | Flexible transparent display screen and manufacturing method thereof |
| CN113314042A (en) * | 2021-04-26 | 2021-08-27 | 厦门大学 | Flexible transparent LED display screen |
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2019
- 2019-12-05 CN CN201922155462.1U patent/CN211264843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530294A (en) * | 2020-12-25 | 2021-03-19 | 河南达斯莱博传媒科技有限公司 | Flexible transparent display screen and manufacturing method thereof |
| CN113314042A (en) * | 2021-04-26 | 2021-08-27 | 厦门大学 | Flexible transparent LED display screen |
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