CN214311202U - Liquid crystal display screen with high light transmittance - Google Patents
Liquid crystal display screen with high light transmittance Download PDFInfo
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- CN214311202U CN214311202U CN202022578197.0U CN202022578197U CN214311202U CN 214311202 U CN214311202 U CN 214311202U CN 202022578197 U CN202022578197 U CN 202022578197U CN 214311202 U CN214311202 U CN 214311202U
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Abstract
The utility model provides a mixed liquid crystal display of high luminousness, including TFT display layer, VA display layer and diffusion piece display layer, diffusion piece display layer is including diffusing the piece, and the VA display layer includes the VA display screen, and the laminating of VA display screen upper portion has preceding polaroid of VA, and the laminating of VA display screen lower part has behind the VA polaroid and VA display screen lower part
The film layer is the VA back polarizer layer of an integrated design, the lower part of the VA back polarizer layer is attached to the diffusion sheet in the diffusion sheet display layer, and the TFT display layer comprises a TFT front polarizer and a TFTThe front polarizer and the diffusion sheet in the diffusion sheet display layer are arranged in parallel in the same plane, and the TFT display screen and the TFT rear polarizer are sequentially attached to the lower part of the TFT front polarizer; the utility model discloses a at the inside specific angle of stack one deck of display screen
The thin film layer is used for improving the light transmittance of the hybrid display screen, so that the display area has higher brightness and better visual effect is provided.
Description
Technical Field
The utility model relates to an on-vehicle liquid crystal display technical field especially relates to a liquid crystal display that mixes of high luminousness.
Background
The VA liquid crystal (Vertical Alignment liquid crystal) display screen is short for vertically arranged liquid crystal, has the technical advantages of high contrast, mild color temperature, low light leakage degree, wide visual angle and the like, and effectively solves the problem of color loss of the TN liquid crystal (Twisted Nematic liquid crystal) display screen; compared with TN liquid crystal, VA liquid crystal has higher contrast and wider visual angle, and is the mainstream technology adopted by the large-screen liquid crystal television at present.
The TFT liquid crystal (Thin Film Transistor liquid crystal) display screen is a Thin Film Transistor liquid crystal display screen, namely a 'true color' (TFT), the TFT liquid crystal is provided with a semiconductor switch for each pixel, and each pixel can be directly controlled by a point pulse, so that each node is relatively independent and can be continuously controlled, the reaction speed of the display screen is improved, and meanwhile, the display color gradation can be accurately controlled, so that the color of the TFT liquid crystal is more true.
Most of black and white display screens can only be applied to a certain small part of an automobile instrument, along with the development of times, a color display screen is deeply favored by consumers as the automobile instrument, and the TFT display screen needs huge mold opening cost due to the defect of high price per se and the special-shaped design of the TFT display screen, so that a mixed liquid crystal display screen formed by combining and matching a VA liquid crystal display screen and the TFT liquid crystal display screen is widely applied to the manufacture of the automobile instrument panel, and the matching combination among the screens can directly influence the control appearance of a vehicle in an automobile cab and the visual effect of people.
The mixed display screen after TFT display screen and VA display screen combination on the existing market, in order to have better integrative black effect, use TFT display screen and VA display screen direct stack together usually, but its light transmissivity is lower, thereby it is not good to cause visual effect, if increase luminance in a poor light, then can the whole instrument cost of greatly increased, luminance in a poor light is close to having reached the highest limit simultaneously, also hardly have and promoted by a wide margin, consequently, the transmissivity through improving light is with the transmissivity that promotes mixed display screen, can greatly save the cost and satisfy the market demand.
Disclosure of Invention
The utility model discloses mainly to not enough among the prior art, provide a mixed liquid crystal display of high luminousness to solve among the prior art because of the light transmissivity that VA display screen and TFT display screen stack caused is low, the visual effect is not good etc. technical problem, for purpose above the realization, the utility model realizes through following technical scheme:
the utility model provides a mixed liquid crystal display of high luminousness, includes TFT display layer, VA display layer and diffusion piece display layer, diffusion piece display layer is including diffusing the piece, the VA display layer includes the VA display screen, the laminating of VA display screen upper portion has preceding polaroid of VA, the laminating of VA display screen lower part has behind the VA polaroid and VA display screen
The thin film layer is the VA back polarizer layer of a body design, VA back polarizer layer lower part is laminated with the diffusion piece of diffusion piece in the piece display layer mutually, the TFT display layer includes TFT front polarizer, TFT front polarizer and the diffusion piece in the piece display layer parallel arrangement in the coplanar, and TFT front polarizer lower part is laminated TFT display screen and TFT back polarizer in proper order.
The utility model provides a mixed liquid crystal display of high luminousness, includes TFT display layer, VA display layer and diffusion piece display layer, diffusion piece display layer is including diffusing the piece, the VA display layer includes the VA display screen, the laminating of VA display screen upper portion has preceding polaroid of VA, the laminating of VA display screen lower part has the polaroid behind the VA, laminating mutually with diffusion piece in the diffusion piece display layer behind the VA, the TFT display layer includes preceding polaroid of TFT, polaroid lower part behind the VAAnd a TFT front polarizer
The thin film layer is a TFT front polarizer layer designed as a whole, the TFT front polarizer layer and a diffusion sheet in the diffusion sheet display layer are arranged in parallel in the same plane, and the lower part of the TFT front polarizer layer is sequentially attached to a TFT display screen and a TFT rear polarizer.
The utility model provides a mixed liquid crystal display of high luminousness, includes TFT display layer, VA display layer and diffusion piece display layer, the TFT display layer includes TFT preceding polaroid, VA display layer includes the VA display screen, diffusion piece display layer is including diffusing piece and piece display layer
The upper part of the VA display screen is attached with a VA front polarizer, the lower part of the VA display screen is attached with a VA rear polarizer, and the lower part of the VA rear polarizer, a diffusion sheet in the diffusion sheet display layer and the diffusion sheet in the diffusion sheet display layer
The film layers are attached to each other, and the diffusion sheet is attached to
The film layers are in the same plane and arranged in parallel and on said
The lower part of the thin film layer is attached to the TFT front polarizer, the TFT display screen and the TFT rear polarizer.
Preferably, a backlight module is arranged at the lower part of the TFT rear polarizer.
Preferably, the number of the diffusion sheets is 2 groups.
Preferably, the diffusion sheets are distributed on both sides of the TFT front polarizer.
Preferably, the diffusion sheets are distributed on both sides of the TFT front polarizer layer.
Preferably, the diffusion sheet is distributed onThe above-mentioned
Both sides of the thin film layer.
Preferably, the glue used in the attaching process is OCR optical glue.
Preferably, an OCA double-sided adhesive tape is used between the VA rear polarizer and the diffusion sheet, and an OCA double-sided adhesive tape or an OCR optical adhesive tape is used between the VA rear polarizer and the TFT panel.
The utility model has the advantages that:
1. the utility model discloses a mixed liquid crystal display of high luminousness, through the specific angle of stack one deck between VA display screen and TFT display screen
A thin film layer for allowing light irradiated from the polarizer of the TFT display to pass through
The film layer deflects, the propagation direction of light is close to the light transmission axis direction of the bottom polarizer of the VA display screen, so that the loss of light is reduced, the light transmittance of the liquid crystal display screen is improved, and the display area has higher brightness and better visual effect.
2. The utility model discloses a mixed liquid crystal display is through adding soft VA screen, and the preparation of the motormeter dish of adaptable different forms is showing and is reducing the die sinking expense to possess good black effect of an organic whole, promote well accuse outward appearance aesthetic property and people's visual effect impacteability in the driver's cabin.
Drawings
FIG. 1 is a drawing of
A display screen structure schematic diagram is designed by integrating the film layer and the VA rear polarizer;
FIG. 2 is
A structural schematic diagram of a display screen integrally designed by a thin film layer and a TFT front polarizer;
FIG. 3 is a drawing showing
A display screen structure chart with independently designed thin film layers;
FIG. 4 is a drawing showing
The principle and schematic diagram of light deflection of the thin film layer;
FIG. 5 is a diagram showing the light deflection route of different glass sheets.
In the figure: 1. a VA front polarizer; 2. a VA display screen; 3. VA rear polarizer; 4.
a thin film layer; 5. a diffusion sheet; 6. a TFT front polarizer; 7. a TFT display screen; 8. a TFT rear polarizer; 9. a backlight module is provided.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
example 1:
as shown in fig. 1, a high-transmittance liquid crystal display includes a TFT display layer, a VA display layer, and a diffusion sheet display layer, wherein the diffusion sheet display layer includes a diffusion sheet 5, the VA display layer includes a VA display screen 2, and the TFT display layer includes a TFT front polarizer 6; the upper part of the VA display screen 2 is adhered with a VA front polarizer 1 by using optical glue, and the lower part of the VA display screen 2 is adhered with a VA rear polarizer 3 and
the rear VA polarizer layer with the integrally designed thin film layer 4, the lower part of the rear VA polarizer layer is also attached to a diffusion sheet 5 in the diffusion sheet display layer and a front TFT polarizer 6 in the TFT display layer, the front TFT polarizer 6 and the diffusion sheet 5 are required to be arranged in the same plane and arranged in parallel, and the two groups of diffusion sheets 5 are arranged in the front TFT polarizer 6Both sides, and the laminating between 5 sheets of polaroid layer and the diffusion piece behind the VA adopts the OCA double faced adhesive tape to laminate, and the laminating between 6 sheets of polaroid can adopt OCA double faced adhesive tape or OCR optical cement to laminate before VA polaroid layer and TFT, secondly 6 lower parts of polaroid before TFT and utilize optical cement laminating TFT display screen 7 and TFT rear polaroid 8 in proper order, the lower part of 8 sheets of polaroid sets up backlight unit 9 behind TFT for the utility model discloses a mixed display screen provides backlight, the optical cement that above-mentioned laminating technology used is OCR optical cement.
Example 2:
as shown in fig. 2, a high-transmittance liquid crystal display includes a TFT display layer, a VA display layer, and a diffusion sheet display layer, wherein the diffusion sheet display layer includes a diffusion sheet 5, the VA display layer includes a VA display screen 2, and the TFT display layer includes a TFT front polarizer 6; the VA display screen 2 is adhered with a VA front polarizer 1 by using optical glue, the VA rear polarizer 3 is adhered to the lower part of the VA display screen 2 by using optical glue, and the VA rear polarizer 3 is adhered with a TFT front polarizer 6 and a TFT rear polarizer 6
Thin layer 4 is the interior diffusion piece 5 of polarisation lamella and diffusion piece display layer before the TFT of design as an organic whole, two sets of diffusion pieces 5 distribute respectively in the both sides of polarisation lamella before the TFT, and make polarisation lamella and diffusion piece 5 department in the coplanar and parallel arrangement each other before the TFT, and laminating between 5 of VA back polaroid 3 and the diffusion piece adopts the OCA double faced adhesive tape to laminate, laminating between 3 of TFT front polarisation lamella and VA back polaroid can adopt OCA double faced adhesive tape or OCR optical cement to laminate, secondly 6 lower parts of polarisation lamella before the TFT utilize optical cement to laminate TFT display screen 7 and TFT back polaroid 8 in proper order, the lower part of 8 of polaroid is provided with backlight unit 9 behind the TFT, be used for the utility model's mixed display screen provides backlight, the optical cement that above-mentioned laminating technology used is OCR optical cement.
Example 3:
as shown in FIG. 3, a high transmittance liquid crystal display panel comprises a TFT display layer, a VA display layer and a diffusion sheet display layer, wherein the TFT display layer comprises a TFT front polarized lightA sheet 6 comprising a VA display 2 and a diffuser 5
A film layer 4, a VA front polarizer 1 is adhered to the upper part of the VA display screen 2 by using optical glue, a VA rear polarizer 3 is adhered to the lower part of the VA display screen, and the lower part of the VA rear polarizer 3, a diffusion sheet 5 in the diffusion sheet display layer and a diffusion sheet 5 in the diffusion sheet display layer
The film layer 4 is jointed, the VA rear polarizer 3 and the diffusion sheet 5 are jointed by adopting OCA double faced adhesive tape, and the VA rear polarizer 3 and the VA rear polarizer 5 are jointed
The film layers 4 can be bonded by OCA double-sided adhesive or OCR optical adhesive, and the diffusion sheet 5 and the diffusion sheet
The film layers 4 are in the same plane and arranged parallel to each other, and two groups of diffusion sheets 5 are arranged
On both sides of the film layer 4, and finally on
The lower part of thin layer 4 utilizes optical cement to laminate polaroid 6, TFT display screen 7 and TFT back polaroid 8 before TFT in proper order, and the lower part of polaroid 8 is provided with backlight unit 9 behind TFT for this practical mixed display screen provides backlight, the optical cement that above-mentioned laminating technology used is OCR optical cement.
Particularly, in order to make the hybrid display panel of the present invention have a good lightness and thinness, the diffusion sheet 5 may be set to have a thickness of 0.15-0.25mm,
the thickness of the film layer 4 can be setSet to 0.05-0.15mm, and a diffusion sheet 5 is made to contact with
Certain distance intervals exist between the thin film layer 4 and the TFT front polarizer 6, so that the thin film layer and the TFT front polarizer are not interfered with each other.
As shown in fig. 4 to 5, the mixed display screen of the present invention has a layer of specific angle
A thin film layer 4 for passing light from the TFT front polarizer 6
When the thin film layer 4 is injected into the VA display layer, light rays firstly pass through
The thin film layer 4 deflects to make the propagation direction of light extremely close to the transmission axis direction of the VA rear polarizer 3, thereby reducing light loss.
The utility model discloses a mixed liquid crystal display can be according to the design of motormeter firm to the central control panel board, freely designs its shape, carries out the form design of instrument liquid crystal through upper VA display screen panel, carries out the demonstration of image through lower floor's TFT display screen to be fit for the car of different styles, the mixed liquid crystal display of the utility model is generally used for showing vehicle situation, vehicle driving condition, vehicle fault code, instantaneous oil consumption, outdoor temperature, average speed of a motor vehicle, driving time, single vehicle data such as mileage of traveling, provides vehicle data for the driver.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present application.
Claims (16)
1. A high-transmittance liquid crystal display screen comprises a TFT display layer, a VA display layer and a diffusion sheet display layerCharacterized in that the diffusion sheet display layer comprises a diffusion sheet, the VA display layer comprises a VA display screen, the upper part of the VA display screen is jointed with a VA front polarizer, and the lower part of the VA display screen is jointed with a VA rear polarizer and a VA rear polarizer
The thin film layer is the VA back polarizer layer of a body design, VA back polarizer layer lower part is laminated with the diffusion piece of diffusion piece in piece display layer mutually, the TFT display layer includes TFT front polarizer, TFT front polarizer and the diffusion piece in piece display layer mutual parallel arrangement in the coplanar, and TFT front polarizer lower part is laminated TFT display screen and TFT back polarizer in proper order.
2. A high transmittance lcd panel as claimed in claim 1, wherein a backlight module is disposed under the TFT rear polarizer.
3. The liquid crystal display panel with high light transmittance of claim 1, wherein the number of the diffusion sheets is 2.
4. The liquid crystal display panel with high light transmittance of claim 1, wherein the diffusion sheet is distributed on both sides of the TFT front polarizer.
5. The liquid crystal display screen with high light transmittance of claim 1, wherein the glue used in the bonding process is OCR optical glue.
6. The utility model provides a mixed liquid crystal display of high luminousness, includes TFT display layer, VA display layer and diffusion piece display layer, a serial communication port, diffusion piece display layer is including diffusing the piece, the VA display layer includes the VA display screen, the laminating of VA display screen upper portion has preceding polaroid of VA, the laminating of VA display screen lower part has the polaroid behind the VA, the polaroid lower part and diffusion piece display intraformational expand the polaroid behind the VAThe scattered sheets are attached, the TFT display layer comprises a TFT front polarizer, and the lower part of the VA rear polarizer is attached with the TFT front polarizer and the TFT rear polarizer
The thin film layer is a TFT front polarizer layer designed as a whole, the TFT front polarizer layer and a diffusion sheet in the diffusion sheet display layer are arranged in parallel in the same plane, and the lower part of the TFT front polarizer layer is sequentially attached to a TFT display screen and a TFT rear polarizer.
7. A high transmittance liquid crystal display panel according to claim 6, wherein a backlight module is disposed below the TFT rear polarizer.
8. The liquid crystal display panel with high light transmittance of claim 6, wherein the number of the diffusion sheets is 2.
9. The liquid crystal display panel of claim 6, wherein the diffusion sheet is disposed on both sides of the TFT front polarizer layer.
10. The liquid crystal display screen with high light transmittance of claim 6, wherein an OCA double-sided adhesive tape is used between the VA rear polarizer and the diffusion sheet, and an OCA double-sided adhesive tape or an OCR optical adhesive tape is used between the VA rear polarizer and the TFT panel.
11. The liquid crystal display screen with high light transmittance of claim 6, wherein the glue used in the bonding process is OCR optical glue.
12. The utility model provides a mixed liquid crystal display of high luminousness, includes TFT display layer, VA display layer and diffusion piece display layer, its characterized in that, TFT display layer includes TFT preceding polaroid, VA display layer includes the VA display screen, diffusion piece shows that the piece showsThe layer comprises a diffusion sheet and
the upper part of the VA display screen is attached with a VA front polarizer, the lower part of the VA display screen is attached with a VA rear polarizer, and the lower part of the VA rear polarizer, a diffusion sheet in the diffusion sheet display layer and the diffusion sheet in the diffusion sheet display layer
The film layers are attached to each other, and the diffusion sheet is attached to
The film layers are in the same plane and arranged parallel to each other and in said plane
The lower part of the thin film layer is attached to the TFT front polarizer, the TFT display screen and the TFT rear polarizer.
13. A high transmittance lcd panel as claimed in claim 12, wherein a backlight module is disposed under the TFT rear polarizer.
14. The liquid crystal display panel of claim 12, wherein the number of the diffusion sheets is 2.
15. The liquid crystal display panel of claim 12, wherein the diffuser is distributed over the liquid crystal display panel
Both sides of the thin film layer.
16. The liquid crystal display screen according to claim 12, wherein the glue used in the bonding process is OCR optical glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022578197.0U CN214311202U (en) | 2020-11-09 | 2020-11-09 | Liquid crystal display screen with high light transmittance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022578197.0U CN214311202U (en) | 2020-11-09 | 2020-11-09 | Liquid crystal display screen with high light transmittance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214311202U true CN214311202U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022578197.0U Active CN214311202U (en) | 2020-11-09 | 2020-11-09 | Liquid crystal display screen with high light transmittance |
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| Country | Link |
|---|---|
| CN (1) | CN214311202U (en) |
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- 2020-11-09 CN CN202022578197.0U patent/CN214311202U/en active Active
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