CN205139522U - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN205139522U CN205139522U CN201520859211.0U CN201520859211U CN205139522U CN 205139522 U CN205139522 U CN 205139522U CN 201520859211 U CN201520859211 U CN 201520859211U CN 205139522 U CN205139522 U CN 205139522U
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- liquid crystal
- crystal display
- screen
- crystal indicator
- photomask
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Abstract
A liquid crystal display device, touch -sensitive screen and LCD screen including range upon range of setting, the LCD screen includes the first polaroid of range upon range of setting, first base plate, liquid crystal layer, second base plate, second polaroid and light guide plate, the non - display area of LCD screen still is provided with the photomask, between LCD screen and the touch -sensitive screen still range upon range of being provided with be used for improving LCD screen luminous efficacy's brightness enhancement film. Through brightness enhancement film's setting, can effectively improve the light transmissivity of LCD screen, thereby increase liquid crystal display device's contrast, and then effectively improved liquid crystal display device's viewing effect. Simultaneously, set up the light leak problem of LCD screen can effectively be solved to non - display area's photomask to further improved liquid crystal display device's contrast. Additionally, the photomask with brightness enhancement film's formation process low cost, simple process are fit for large -scale popularization and application.
Description
Technical field
The utility model relates to technical field of liquid crystal display, is specifically related to a kind of liquid crystal indicator with high-contrast.
Background technology
Liquid crystal indicator, be called for short LCD (LiquidCrystalDisplay), utilize the display device made by the character of liquid crystal between solid-state and liquid state, by to the liquid crystal applied voltages be arranged between two glass, changed by Liquid Crystal Molecules Alignment and tortuous change formation pattern, reflect utilizing the perspective of extraneous light and form picture.There is the advantage that volume is frivolous, radiationless, energy consumption is little.
Touch screen technology is a kind of novel man-machine interaction input mode, compares with mouse input mode with traditional keyboard, and touch-screen input is more directly perceived.Different according to screen surface positioning principle, the classifications such as acoustic pulse recognition (APR) technology, surface acoustic wave (SAW) technology, capacitance-type touch screen technology and resistive touch screen technology can be divided touch screen technology.Wherein, the principle of work of resistive touch screen mainly realizes the operation of screen content and control by pressure sensitive principle, this screen body of touch screen part is one piece of multi-layer compound film coordinated very much with display surface, wherein ground floor is glass or organic glass bottom, the second layer is interlayer, third layer is polynary resin surface layer, and surface also scribbles the conductive layer of layer of transparent, is stamped one deck outside surface above again through cure process, smooth scratch resistant plastic layer.The conducting stratum of polynary fat skin surface and glassy layer inductor separate by many small interlayers electric current by top layer, when touching top layer pressure, touch bottom, controller reads the distance of electric current and the calculating finger position matched simultaneously from four angles.Due to complex structure, for the product of the liquid crystal display product containing touch-screen, particularly resistive touch screen, working without under backlight state, the light penetration of liquid crystal display only has 85%.Affect by this, when liquid crystal display contrast is lower, the font of display display will comparatively fuzzy, if by heightening driving voltage mode by force, there will be display ghost phenomenon, therefore only be improved that contrast ability is clear see display frame.Meanwhile, because liquid crystal indicator is glassware, in the glue frame pressure box position, edge of glass because cannot pour into liquid crystal, can there is the phenomenon of light leak in display device, have impact on contrast after striking further.
Utility model content
For this reason, to be solved in the utility model is that in prior art, liquid crystal indicator contains the low problem of the product contrast of touch-screen, thus provides a kind of liquid crystal indicator with high-contrast.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of liquid crystal indicator described in the utility model, comprises liquid crystal display and the stacked touch-screen be arranged on described liquid crystal display exiting surface; Described liquid crystal display comprises the first polaroid of stacked setting, first substrate, liquid crystal layer, second substrate, the second polaroid and light guide plate, and described liquid crystal display plane is divided into middle display area and the non-display area around described viewing area; The non-display area of described liquid crystal display is also provided with photomask; The also stacked brightness enhancement film be provided with for improving described liquid crystal display luminescence efficiency between described liquid crystal display and touch-screen.
Described photomask is silk-screen film.
Described photomask thickness is 0.1 μm ~ 10 μm.
Described photomask is set directly on described first substrate and/or on described second substrate.
Described brightness enhancement film is prismatic lens or reflective polaroid.
Described brightness enhancement film covers the viewing area of described liquid crystal display.
The thickness of described brightness enhancement film is 50 μm ~ 100 μm.
Described liquid crystal indicator also comprises the first line plate controlling described touch-screen, and controls the second wiring board of described liquid crystal display.
Described first line plate is flexible circuit board.
Described first line plate is fixedly installed on the sidewall of described touch-screen.
Technique scheme of the present utility model has the following advantages compared to existing technology:
A kind of liquid crystal indicator described in the utility model, comprises liquid crystal display and the stacked touch-screen be arranged on described liquid crystal display exiting surface; Described liquid crystal display comprises the first polaroid of stacked setting, first substrate, liquid crystal layer, second substrate, the second polaroid and light guide plate, and described liquid crystal display plane is divided into middle display area and the non-display area around described viewing area; The non-display area of described liquid crystal display is also provided with photomask; The also stacked brightness enhancement film be provided with for improving described liquid crystal display luminescence efficiency between described liquid crystal display and touch-screen.By the setting of brightness enhancement film, effectively can improve the light penetration of liquid crystal display, thus increase the contrast of described liquid crystal indicator, and then effectively improve the viewing effect of described liquid crystal indicator.Meanwhile, the photomask being arranged on described non-display area effectively can solve the leakage problem of liquid crystal display, thus further improves the contrast of described liquid crystal indicator.In addition, the formation process of described photomask and described brightness enhancement film is with low cost, technique simple, is applicable to applying on a large scale.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is LCD device structure schematic diagram described in the utility model;
In figure, Reference numeral is expressed as: 1-liquid crystal display, 11-first polaroid, 12-first substrate, 13-liquid crystal layer, 14-second substrate, 15-second polaroid, 16-light guide plate, 2-touch-screen, 3-brightness enhancement film, 4-photomask, 5-first line plate, 6-second wiring board.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model can be implemented in many different forms, and should not be understood to be limited to embodiment set forth herein.On the contrary, provide these embodiments, make the disclosure to be thorough and complete, and design of the present utility model fully will be conveyed to those skilled in the art, the utility model will only be limited by claim.In the accompanying drawings, for clarity, the size in layer and region and relative size can be exaggerated.Should be understood that, when element such as layer, region or substrate be referred to as " being formed in " or " being arranged on " another element " on " time, this element can be set directly on another element described, or also can there is intermediary element.On the contrary, when element is referred to as on " being formed directly into " or " being set directly at " another element, there is not intermediary element.
Embodiment
The described liquid crystal indicator according to the utility model embodiment is described in detail below in conjunction with Fig. 1.
A kind of liquid crystal indicator described in the utility model, as shown in Figure 1, comprises liquid crystal display 1 and the stacked touch-screen 2 be arranged on described liquid crystal display 1 exiting surface.
Described liquid crystal display 1 comprises the first polaroid 11 of stacked setting, first substrate 12, liquid crystal layer 13, second substrate 14, second polaroid 15 and light guide plate 16, and described liquid crystal display plane is divided into middle display area and the non-display area around described viewing area.Also comprise the light source being arranged on described light guide plate 16 sidewall, for providing display brightness for described liquid crystal display 1.
The non-display area of described liquid crystal display 1 is also provided with photomask 4; The also stacked brightness enhancement film 3 be provided with for improving described liquid crystal display luminescence efficiency between described liquid crystal display 1 and touch-screen 2.By the setting of brightness enhancement film 3, effectively can improve the light penetration of liquid crystal display 1, thus increase the contrast of described liquid crystal indicator, and then effectively improve the viewing effect of described liquid crystal indicator.Meanwhile, the photomask 4 being arranged on described non-display area effectively can solve the leakage problem of liquid crystal display 1, thus further improves the contrast of described liquid crystal indicator.
Preferably, described photomask 4 is silk-screen film, and thickness is 0.1 μm ~ 10 μm.Adopt screen printing technique to form described photomask 4, not only technical maturity, cost are low, effectively can also reduce the thickness of described photomask 4, thus not affect the thickness of described liquid crystal display 1, and then ensure that described liquid crystal display 1 has compact conformation, advantage that volume is little.
Photomask 4 described in the present embodiment is set directly in the one side of described second substrate 14 away from described liquid crystal layer 13.As convertible embodiment of the present utility model, described photomask 4 can be set directly on described first substrate 12 and/or on described second substrate 14, all can realize the purpose of this utility model, belongs to protection domain of the present utility model.
Described brightness enhancement film 3 is prismatic lens or reflective polaroid, covers the viewing area of described liquid crystal display 1, and thickness is 50 μm ~ 100 μm; The present embodiment is preferably the reflective polaroid that thickness is 80 μm.
As shown in Figure 1, described liquid crystal indicator also comprises the first line plate 5 controlling described touch-screen 2, and controls the second wiring board 6 of described liquid crystal display 1.Preferably, described first line plate 5 is flexible circuit board.Described first line plate 5 is fixedly installed on the sidewall of described touch-screen 2.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among protection domain of the present utility model.
Claims (10)
1. a liquid crystal indicator, comprises liquid crystal display and the stacked touch-screen be arranged on described liquid crystal display exiting surface; Described liquid crystal display comprises the first polaroid of stacked setting, first substrate, liquid crystal layer, second substrate, the second polaroid and light guide plate, and described liquid crystal display plane is divided into middle display area and the non-display area around described viewing area; It is characterized in that, the non-display area of described liquid crystal display is also provided with photomask; The also stacked brightness enhancement film be provided with for improving described liquid crystal display luminescence efficiency between described liquid crystal display and touch-screen.
2. liquid crystal indicator according to claim 1, is characterized in that, described photomask is silk-screen film.
3. liquid crystal indicator according to claim 1, is characterized in that, described photomask thickness is 0.1 μm ~ 10 μm.
4. liquid crystal indicator according to claim 1, is characterized in that, described photomask is set directly on described first substrate and/or on described second substrate.
5. liquid crystal indicator according to claim 1, is characterized in that, described brightness enhancement film is prismatic lens or reflective polaroid.
6. liquid crystal indicator according to claim 1, is characterized in that, described brightness enhancement film covers the viewing area of described liquid crystal display.
7. liquid crystal indicator according to claim 1, is characterized in that, the thickness of described brightness enhancement film is 50 μm ~ 100 μm.
8. the liquid crystal indicator according to any one of claim 1-7, is characterized in that, also comprises the first line plate controlling described touch-screen, and controls the second wiring board of described liquid crystal display.
9. liquid crystal indicator according to claim 8, is characterized in that, described first line plate is flexible circuit board (FPC).
10. liquid crystal indicator according to claim 8, is characterized in that, described first line plate is fixedly installed on the sidewall of described touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859211.0U CN205139522U (en) | 2015-10-30 | 2015-10-30 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859211.0U CN205139522U (en) | 2015-10-30 | 2015-10-30 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139522U true CN205139522U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520859211.0U Active CN205139522U (en) | 2015-10-30 | 2015-10-30 | Liquid crystal display device |
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| CN (1) | CN205139522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703660A (en) * | 2017-08-21 | 2018-02-16 | 合肥惠科金扬科技有限公司 | A kind of TFT LCD liquid crystal display devices for carrying iron frame |
| CN107703669A (en) * | 2017-08-21 | 2018-02-16 | 合肥惠科金扬科技有限公司 | A kind of variable TFT LCD shockproof screens of light transmittance |
-
2015
- 2015-10-30 CN CN201520859211.0U patent/CN205139522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703660A (en) * | 2017-08-21 | 2018-02-16 | 合肥惠科金扬科技有限公司 | A kind of TFT LCD liquid crystal display devices for carrying iron frame |
| CN107703669A (en) * | 2017-08-21 | 2018-02-16 | 合肥惠科金扬科技有限公司 | A kind of variable TFT LCD shockproof screens of light transmittance |
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