CN209911712U - Novel liquid crystal light-adjusting sun-shading board rearview mirror - Google Patents
Novel liquid crystal light-adjusting sun-shading board rearview mirror Download PDFInfo
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- CN209911712U CN209911712U CN201920988140.2U CN201920988140U CN209911712U CN 209911712 U CN209911712 U CN 209911712U CN 201920988140 U CN201920988140 U CN 201920988140U CN 209911712 U CN209911712 U CN 209911712U
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Abstract
The utility model provides a novel liquid crystal sunshading board rear-view mirror of adjusting luminance, includes VA mode LCD and TN reflection mode LCD, TN reflection mode LCD and VA mode LCD laminate completely, and VA mode LCD is located the below, and outside the car is faced to the VA mode LCD, and TN reflection mode LCD is located the top, faces the driver. The double liquid crystal display is used for completely replacing the traditional sun shield, the good light transmission performance of the VA mode liquid crystal display and the reflection performance of the TN reflection mode liquid crystal display are used, and the double liquid crystal phase interaction is used, so that the light transmission and sun shading effect and the light reflection rearview mirror effect can be realized.
Description
Technical Field
The utility model relates to a LCD technical field, in particular to novel liquid crystal sunshading board rear-view mirror of adjusting luminance.
Background
In recent years, LCDs (Liquid Crystal display Liquid Crystal displays) have been widely used in daily life, particularly in the fields of instruments, household goods, vehicle-mounted instrument panels, and the like, due to the advantages of small size, low power consumption, and the like. The LCD is especially applied to the vehicle-mounted industry, and the LCD is various and complicated in type. The automobile liquid crystal sun visor replaces the traditional automobile sun visor with a liquid crystal screen capable of automatically adjusting light and shade, so that the effect of blocking light and not blocking the road is achieved, and traffic accidents and discomfort caused by the fact that the traditional sun visor blocks the sight line are prevented from occurring to a driver. Therefore, the design idea of the multifunctional sun shield which is beautiful and practical comes into play.
Among the prior art, the general liquid crystal sunshading board is TN burden apparent liquid crystal display on the market, the utility model discloses replace with the higher VA type liquid crystal display of contrast, all have obvious optimization at blackness (adverse light sunshade effect) and luminance (need not the sunshade), and can adjust the sunshade effect.
Disclosure of Invention
In order to solve the background art the problem, the utility model provides a novel liquid crystal sunshading board rear-view mirror of adjusting luminance utilizes two LCD to replace traditional sunshading board completely, utilizes VA mode LCD's good light transmittance and TN reflection mode LCD's reflectance properties, and two liquid crystal phase interactions reach and both can realize the printing opacity sunshade effect and can realize the rear-view mirror effect of reflection of light.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel liquid crystal sunshading board rear-view mirror of adjusting luminance, includes VA mode LCD and TN reflection mode LCD, TN reflection mode LCD and VA mode LCD laminate completely, and VA mode LCD is located the below, and outside the car is faced to the VA mode LCD, and TN reflection mode LCD is located the top, faces the driver.
The TN reflection mode liquid crystal display comprises a TN upper polarizer, a TN liquid crystal box and a TN lower membrane which are arranged from top to bottom, wherein the TN upper polarizer is a transmission type polarizer, and the TN lower membrane is a reflection type membrane.
The VA mode liquid crystal display comprises a VA upper polarizer, a VA liquid crystal box and a VA lower polarizer which are arranged from top to bottom, wherein the VA upper polarizer and the VA lower polarizer are both VA type polarizers.
The transmission axes of the VA upper polaroid of the VA mode liquid crystal display and the TN lower polaroid of the TN reflection mode liquid crystal display above the VA upper polaroid are parallel.
Furthermore, the display pixels of the VA mode liquid crystal display are rows of horizontal stripe pixels.
Furthermore, the pixels of the TN reflective mode liquid crystal display are one monolithic pixel.
Further, the thickness of the liquid crystal cell of the VA mode liquid crystal display is 3.0 to 4.0 μm.
Further, the thickness of the liquid crystal box of the TN reflection mode liquid crystal display is 4.0-5.0 μm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the design of the utility model, the upper TN type liquid crystal display and the lower VA type liquid crystal display are integrated, (1) when the upper TN type liquid crystal display does not work and the lower VA type liquid crystal display works, the upper TN type liquid crystal display can be used as a sun shield by utilizing the good light transmission effect of the VA type liquid crystal display, and the automobile can be driven in the backlight by adjusting the light and shade of the VA type liquid crystal display without influencing the sight line of a driver; (2) when the upper TN liquid crystal display works and the lower VA liquid crystal display does not work, the display can be used as a rearview mirror due to the reflection effect of the reflection type TN liquid crystal display and can also be used as a mirror of a driver, so that the driver can get on and off the vehicle conveniently and can finish appearance. The VA product has high contrast, individualized appearance, shape and size and perfect combination of TN reflection type, thereby achieving the purposes of beauty, conciseness and practicability and increasing the comfort level of the automobile to drivers and passengers;
2. the utility model uses the VA type LCD with higher contrast to replace the TN negative display type LCD, has obvious optimization on blackness (backlight shading effect) and brightness (without shading), and can adjust shading effect;
3. the transmission axes of the VA upper polaroid of the VA mode liquid crystal display and the TN lower polaroid of the TN reflection mode liquid crystal display above the VA upper polaroid are parallel, so that the perfect full-lamination effect when two display screens are laminated can be realized;
4. the VA mode liquid crystal display adopts a plurality of rows of horizontal stripe pixels, horizontal stripes can be displayed at intervals in a light-transmitting or dark mode, and the effect of shading sun is better without influencing the sight of a driver;
5. the TN reflective mode liquid crystal display adopts a monolithic pixel, and the reflective effect of the monolithic pixel can realize a better mirror effect.
Drawings
FIG. 1 is a schematic side view of the integration of two displays according to the present invention;
FIG. 2 is a schematic diagram of a VA mode LCD of the present invention;
FIG. 3 is a schematic diagram of a TN reflective mode LCD of the present invention;
fig. 4 is a schematic structural diagram of a liquid crystal cell (TN type is the same as VA type, and only one type is written) according to the present invention.
In the figure: the display pixel of the 1-VA display 2-TN display pixel 3-upper polaroid 4-TN type liquid crystal box 5-lower polaroid 6-laminating part 7-polaroid 8-VA type liquid crystal box 9-lower polaroid 10-upper ITO glass substrate 11-upper PI orientation layer 12-liquid crystal layer 13-frame glue 14-padding material 15-liquid crystal 16-lower PI orientation layer 17-lower ITO glass substrate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, a novel liquid crystal dimming sun visor rearview mirror comprises a VA mode liquid crystal display (including 7, 8 and 9) and a TN reflection mode liquid crystal display (including 3, 4 and 5), wherein the TN reflection mode liquid crystal display is completely attached to the VA mode liquid crystal display through an adhesive layer (6) of an attachment part, the VA mode liquid crystal display is located below and faces the outside of a vehicle, and the TN reflection mode liquid crystal display is located above and faces a driver.
The TN reflection mode liquid crystal display comprises a TN upper polarizer (3), a TN liquid crystal box (4) and a TN lower membrane (5) which are arranged from top to bottom, wherein the TN upper polarizer (3) is a transmission type polarizer, and the TN lower membrane (5) is a reflection type membrane.
The VA mode liquid crystal display comprises a VA upper polarizer (7), a VA liquid crystal box (8) and a VA lower polarizer (9) which are arranged from top to bottom, wherein the VA upper polarizer (7) and the VA lower polarizer (9) are both VA type polarizers.
The VA upper polarizer (7) of the VA mode liquid crystal display is parallel to the transmission axis of the TN lower membrane (5) of the TN reflection mode liquid crystal display above the VA upper polarizer.
As shown in fig. 2, the display pixels of the VA mode lcd are rows of horizontal stripe pixels (1).
As shown in fig. 3, the pixels of the TN reflective mode lcd are a monolithic pixel (2).
Fig. 4 shows the internal structure schematic diagram of TN liquid crystal cell and VA liquid crystal cell in the utility model, and the TN type is the same with the VA type, and the structure comprises ITO glass substrate (17) under last ITO glass substrate (10), last PI alignment layer (11), liquid crystal layer (12), lower PI alignment layer (16) that top-down set up, and liquid crystal layer (12) comprises liner material (14) and liquid crystal (15). The liquid crystal layer (12) of the TN liquid crystal cell is a TN mode, and the liquid crystal layer (12) of the VA liquid crystal cell is a VA mode. The thickness of the VA mode liquid crystal cell is 3.0 mu m to 4.0 mu m. The thickness of the liquid crystal cell of the TN reflective mode liquid crystal display is 4.0 μm to 5.0. mu.m.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (8)
1. The utility model provides a novel liquid crystal sunshading board rear-view mirror of adjusting luminance which characterized in that, includes VA mode LCD and TN reflection mode LCD, TN reflection mode LCD and VA mode LCD laminate completely, and VA mode LCD is located the below, and outside the car, TN reflection mode LCD is located the top, towards the driver.
2. The mirror according to claim 1, wherein the TN reflective mode lcd comprises a TN upper polarizer, a TN liquid crystal cell and a TN lower film from top to bottom, the TN upper polarizer is a transmissive polarizer, and the TN lower film is a reflective film.
3. The novel liquid crystal dimming sun visor rearview mirror as claimed in claim 1, wherein the VA mode liquid crystal display comprises a VA upper polarizer, a VA liquid crystal cell and a VA lower polarizer arranged from top to bottom, and the VA upper polarizer and the VA lower polarizer are both VA type polarizers.
4. The new liquid crystal dimming sun visor rearview mirror as claimed in claim 2 or 3, wherein the VA upper polarizer of the VA mode lcd is parallel to the TN lower polarizer of the TN reflective mode lcd above it.
5. The new liquid crystal dimming sun visor rearview mirror as claimed in claim 1, wherein the display pixels of the VA mode lcd are multi-row horizontal stripe pixels.
6. The new liquid crystal dimming sun visor rearview mirror as claimed in claim 1, wherein the pixels of the TN reflective mode lcd are a single block of pixels.
7. The new liquid crystal dimming sun visor rearview mirror as claimed in claim 1, wherein the thickness of the liquid crystal cell of the VA mode liquid crystal display is 3.0 μm to 4.0 μm.
8. The new liquid crystal dimming sun visor rearview mirror as claimed in claim 1, wherein the liquid crystal cell thickness of the TN reflective mode liquid crystal display is 4.0 μm to 5.0 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988140.2U CN209911712U (en) | 2019-06-28 | 2019-06-28 | Novel liquid crystal light-adjusting sun-shading board rearview mirror |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988140.2U CN209911712U (en) | 2019-06-28 | 2019-06-28 | Novel liquid crystal light-adjusting sun-shading board rearview mirror |
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| CN209911712U true CN209911712U (en) | 2020-01-07 |
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| CN201920988140.2U Active CN209911712U (en) | 2019-06-28 | 2019-06-28 | Novel liquid crystal light-adjusting sun-shading board rearview mirror |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208981A (en) * | 2019-06-28 | 2019-09-06 | 亚世光电股份有限公司 | A kind of novel liquid crystal dimming sunshade plate rearview mirror |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208981A (en) * | 2019-06-28 | 2019-09-06 | 亚世光电股份有限公司 | A kind of novel liquid crystal dimming sunshade plate rearview mirror |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: No.288, Yueling Road, Lishan District, Anshan City, Liaoning Province, 114000 Patentee after: Yashi Optoelectronics (Group) Co.,Ltd. Address before: No.288, Yueling Road, Lishan District, Anshan City, Liaoning Province, 114000 Patentee before: ANSHAN YES OPTOELECTRONICS DISPLAY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |