CN216775107U - Glass crystal film screen based on metal film layer circuit - Google Patents
Glass crystal film screen based on metal film layer circuit Download PDFInfo
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- CN216775107U CN216775107U CN202122999614.3U CN202122999614U CN216775107U CN 216775107 U CN216775107 U CN 216775107U CN 202122999614 U CN202122999614 U CN 202122999614U CN 216775107 U CN216775107 U CN 216775107U
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Abstract
The utility model discloses a glass crystal film screen based on a metal film layer circuit, which comprises a glass substrate, a metal circuit layer and a lamp bead array, wherein the metal circuit layer is arranged on the glass substrate; the metal circuit layer comprises a sputtered metal nano film layer and an electroplated metal film layer, wherein the sputtered metal nano film layer is directly sputtered on the glass substrate in a magnetron sputtering coating mode, the electroplated metal film layer is plated on the sputtered metal nano film layer in an electrochemical mode, and a circuit is carved on the electroplated metal film layer; the lamp bead array is arranged in a circuit of the metal circuit layer. According to the glass crystal film screen, the metal circuit layer is plated on the glass substrate instead of the ITO conductive film, so that the impedance is reduced, more lamp beads can be connected in series in a unit area of the glass crystal film screen, the brightness of the lamp beads is high, the image definition of the whole crystal film screen is high, and the using effect is good.
Description
Technical Field
The utility model relates to the field of display screens, in particular to a glass crystal film screen based on a metal film layer circuit.
Background
The large screen technology is selected from the original CRT electronic kinescope technology, TFT liquid crystal technology, DLP rear projection technology, OLED and the now popular seamless LED display technology and the third generation display technology MicroLED display technology.
The display screen panel mainly comprises basic lamp beads, a driving IC and related connectors. The lamp beads and the input circuit of the existing display screen are generally in a single row or single column and are in a series structure, the requirement on the number of the series lamp beads in unit length is more in order to meet the requirement on high definition, and because the requirements on the color and the brightness of the lamp beads are uniform and threshold voltage, the requirement on the line resistance in unit length is better and better, the requirement on low impedance and large current transmission can be met.
In the prior art, circuits of display screens are all made of ITO conductive film circuit boards, which are obtained by sputtering a transparent Indium Tin Oxide (ITO) conductive film coating on a transparent organic film material by a magnetron sputtering method and performing high-temperature annealing treatment. The resistance of an ITO circuit line is large, the voltage drop is obvious, the voltage drop of a series circuit is very large, and due to the fact that LED lamp beads have starting voltage requirements (when the voltage on the series circuit is smaller than the threshold voltage, the lamp beads cannot be lightened or have unsaturated colors or have insufficient brightness, and the like), when the voltage drop of the series circuit is large, the input voltage accepted by the lamp beads beyond the rear portion is smaller and smaller, even lower than the threshold voltage, and the like, in the circuit structure of the ITO conductive film circuit board, the number of the lamp beads connected in series cannot be too large, the current technical capability is that in the series circuit with one meter length, the number of the lamp beads cannot be more than 10, otherwise, the abnormality that the brightness of the lamp group at the 11 th position and the rear position is insufficient or the color is unsaturated, and the like can occur. Therefore, the display screen adopting the ITO conductive film at present is mainly applied in a range of one square meter, the number of the lamp beads is less than 100, the definition is not high, and the use is limited.
Disclosure of Invention
Aiming at the problems that the ITO conductive film circuit board in the prior art is used in a display screen, the impedance is large, the voltage drop of a series circuit is very large, the lamp beads cannot be lightened, the color is unsaturated, the brightness is not enough, and the like, the glass crystal film screen based on the metal film circuit is very small in circuit impedance, the voltage is reduced, the number of the lamp beads can be increased in response, and the brightness and the saturation of a lamp group can be ensured to be normal.
The technical scheme adopted by the utility model is as follows:
the glass crystal film screen based on the metal film layer circuit comprises a glass substrate, a metal circuit layer and a lamp bead array;
the metal circuit layer comprises a sputtered metal nano film layer and an electroplated metal film layer, wherein the sputtered metal nano film layer is directly sputtered on the glass substrate in a magnetron sputtering coating mode, the electroplated metal film layer is plated on the sputtered metal nano film layer in an electrochemical mode, the electroplated metal film layer is a conductive layer, and a circuit is etched on the conductive layer;
the lamp bead array is arranged in the circuit of the metal circuit layer.
According to the technical scheme, the lamp bead array comprises a plurality of lamp beads, each lamp bead comprises three RGB independent bare crystals, and the three RGB independent bare crystals are sintered in a circuit.
According to the technical scheme, the glass crystal film screen further comprises a signal driving chip which is connected with the metal circuit layer and drives the lamp bead array to display different colors and pictures.
According to the technical scheme, the sputtered metal nano thin film layer is a copper film nano thin layer, and the electroplated metal film layer is a copper film layer.
According to the technical scheme, the thickness of the copper film nano thin layer is 50 nanometers, and the thickness of the copper film layer is more than or equal to 10 micrometers.
According to the technical scheme, the number of the lamp beads distributed in each square meter exceeds 1 ten thousand.
In connection with the above technical scheme, the metal circuit layer further comprises an anti-oxidation layer disposed on the electroplated metal film layer.
The utility model also provides a glass guardrail screen which comprises a base, side supporting columns and a display screen, wherein the display screen is the glass crystal film screen based on the metal film layer circuit in the technical scheme; a bottom wiring box is arranged on the base, and an electric wire in the wiring box is connected with the glass crystal film screen; the side support columns are arranged on two sides of the base, the glass crystal film screen is installed between the two side support columns, and a power supply box is arranged in each side support column and supplies power for the glass crystal film screen.
The utility model has the following beneficial effects: according to the glass crystal film screen, the metal circuit layer is plated on the glass substrate instead of the ITO conductive film, so that the impedance is reduced, more lamp beads can be connected into the unit area of the glass crystal film screen, the brightness of a lamp bead array is high, the definition of a formed screen image is high, and the using effect is good. The glass guardrail screen manufactured by the crystal membrane screen is transparent and attractive, and can dynamically display dynamic elements such as images, character slogans and the like.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a glass crystal film panel based on a metal film layer circuit according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a glass crystal film panel based on a metal film layer circuit according to an embodiment of the present invention;
figure 3 is a glass guardrail screen according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 2, the glass crystal film screen based on the metal film layer circuit in the embodiment of the utility model includes a glass substrate 10, a metal circuit layer 20 and a lamp bead array 30.
The metal circuit layer 20 comprises a sputtered metal nano film layer 21 and an electroplated metal film layer 22, wherein the sputtered metal nano film layer 21 is directly sputtered on the glass substrate 10 in a magnetron sputtering coating mode, the electroplated metal film layer 22 is plated on the sputtered metal nano film layer 21 in an electrochemical mode, and the electroplated metal film layer 22 serves as a conductive layer on which a circuit is etched. The lamp bead array 30 is arranged in the circuit of the metal circuit layer 20.
As shown in fig. 1, the lamp bead array includes a plurality of lamp beads, each lamp bead includes three independent bare crystals of RGB, and the three independent bare crystals are sintered in a circuit.
The glass crystal film screen further comprises a signal driving chip IC which is connected in the metal circuit layer, and the driving lamp bead array 30 displays different colors and pictures.
In the embodiment of the utility model, the metal material adopted by the metal circuit layer can be one or more of copper, copper-nickel alloy, copper-titanium alloy, copper-molybdenum alloy and copper-chromium alloy. In the embodiment of the utility model, the sputtered metal nano thin film layer is preferably a copper film nano thin film layer and is used as a base layer; the electroplated metal film layer is a copper film layer and is used as a conductive layer. The conductivity of the copper film is more than 10 times of that of the ITO film, and under a series circuit, the impedance is small in the current transmission process, the voltage is reduced, and the power consumption is small.
In another embodiment of the present invention, the metal circuit layer further includes an anti-oxidation layer disposed on the electroplated metal film layer 22.
In the preferred embodiment of the utility model, the thickness of the copper film nano thin layer is 50 nanometers, and the thickness of the copper film layer is more than or equal to 10 micrometers.
Because the circuit impedance that metal film, especially copper film made is very little, and the voltage reduces, in the long series circuit of a meter, lamp pearl quantity can be more than 100, and banks luminance and saturation are all normal, and lamp pearl quantity can be more than 10000 in a square meter, and lamp pearl array luminance is high, and the image definition is high, excellent in use effect. Therefore, the number of the lamp beads arranged on each square meter of the glass crystal film screen can exceed 1 ten thousand.
As shown in fig. 3, the present invention further provides a glass guardrail screen 40, which includes a base 41, side supporting columns 42 and a display screen 43, wherein the display screen 43 is a glass crystal screen based on a metal film layer circuit according to the above embodiment; a bottom wiring box is arranged on the base 41, and an electric wire in the wiring box is connected with the glass crystal film screen; the side support columns 42 are arranged on two sides of the base 41, the glass crystal film screen is arranged between the two side support columns 42, and a power supply box is arranged in each side support column 42 and supplies power for the glass crystal film screen. The glass guardrail screen manufactured by the crystal membrane screen provided by the embodiment of the utility model is transparent and attractive, and can dynamically display dynamic elements such as images, character slogans and the like.
The glass PCB board is used for replacing the traditional glass fiber PCB board. The circuit is sintered on the surface of the glass, then the circuit is corroded and etched to form the required circuit, the sintered metal material can adopt any single material or mixed material which can conduct electricity, and the utility model mainly adopts a metal film, particularly a copper film. After the circuit sintering is finished, tempering the glass, cutting, polishing and forming, then performing secondary tempering, hardening and forming to manufacture the required module. The glass crystal film screen is a full-color light-emitting panel, three independent RGB light-emitting wafers are adopted, three primary colors are mixed, and the RGB bare crystals are bound on a formed glass substrate through sintering to form a closed-loop circuit.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (8)
1. A glass crystal film screen based on a metal film layer circuit is characterized by comprising a glass substrate, a metal circuit layer and a lamp bead array;
the metal circuit layer comprises a sputtered metal nano film layer and an electroplated metal film layer, wherein the sputtered metal nano film layer is directly sputtered on the glass substrate in a magnetron sputtering coating mode, the electroplated metal film layer is plated on the sputtered metal nano film layer in an electrochemical mode, the electroplated metal film layer is a conductive layer, and a circuit is etched on the conductive layer;
the lamp bead array is arranged in the circuit of the metal circuit layer.
2. The glass crystal membrane screen based on metal membrane layer circuit as claimed in claim 1, wherein the lamp bead array comprises a plurality of lamp beads, each lamp bead comprises three independent bare crystals of RGB, and the three independent bare crystals are sintered in the circuit.
3. The glass crystal membrane screen based on the metal membrane layer circuit as claimed in claim 1, further comprising a signal driving chip connected with the metal circuit layer for driving the lamp bead array to display different colors and pictures.
4. The glass crystal film screen based on metal film layer circuit as claimed in any one of claims 1-3, wherein the sputtered metal nano thin film layer is a copper film nano thin layer, and the electroplated metal film layer is a copper film layer.
5. The glass crystal film screen based on the metal film layer circuit as claimed in claim 4, wherein the thickness of the copper nano thin layer is 50 nm, and the thickness of the copper film layer is greater than or equal to 10 microns.
6. The glass crystal membrane screen based on the metal membrane layer circuit as claimed in claim 1, wherein the number of the lamp beads distributed per square meter exceeds 1 ten thousand.
7. The glass-crystal membrane screen based on metal membrane layer circuit as claimed in claim 1, wherein the metal circuit layer further comprises an anti-oxidation layer disposed on the electroplated metal membrane layer.
8. A glass guardrail screen is characterized by comprising a base, side supporting columns and a display screen, wherein the display screen is the glass crystal film screen based on the metal film layer circuit in any one of claims 1 to 7; a bottom wiring box is arranged on the base, and an electric wire in the wiring box is connected with the glass crystal film screen; the side support columns are arranged on two sides of the base, the glass crystal film screen is installed between the two side support columns, and a power supply box is arranged in each side support column and supplies power for the glass crystal film screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999614.3U CN216775107U (en) | 2021-12-01 | 2021-12-01 | Glass crystal film screen based on metal film layer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999614.3U CN216775107U (en) | 2021-12-01 | 2021-12-01 | Glass crystal film screen based on metal film layer circuit |
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| CN216775107U true CN216775107U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122999614.3U Active CN216775107U (en) | 2021-12-01 | 2021-12-01 | Glass crystal film screen based on metal film layer circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115249440A (en) * | 2022-07-18 | 2022-10-28 | 武汉恩倍思科技有限公司 | Photoelectric glass display screen and process |
-
2021
- 2021-12-01 CN CN202122999614.3U patent/CN216775107U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115249440A (en) * | 2022-07-18 | 2022-10-28 | 武汉恩倍思科技有限公司 | Photoelectric glass display screen and process |
| CN115249440B (en) * | 2022-07-18 | 2023-08-25 | 武汉恩倍思科技有限公司 | Photoelectric glass display screen and process |
| WO2024016480A1 (en) * | 2022-07-18 | 2024-01-25 | 武汉恩倍思科技有限公司 | Photoelectric glass display screen and process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Glass crystal film screen based on metal film circuit Effective date of registration: 20220923 Granted publication date: 20220617 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: ENBASS SCIENCE AND TECHNOLOGY LTD. Registration number: Y2022420000311 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |