CN203455563U - Liquid crystal display and display device - Google Patents
Liquid crystal display and display device Download PDFInfo
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- CN203455563U CN203455563U CN201320545591.1U CN201320545591U CN203455563U CN 203455563 U CN203455563 U CN 203455563U CN 201320545591 U CN201320545591 U CN 201320545591U CN 203455563 U CN203455563 U CN 203455563U
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Abstract
The utility model discloses a liquid crystal display. The liquid crystal display comprises an upper orientation layer, a lower orientation layer, a supporting body, an upper metal layer, a lower metal layer, grid scanning lines and a drive circuit. The upper metal layer is arranged below the upper orientation layer, and the lower metal layer is arranged above the lower orientation layer; the upper metal layer and the lower metal layer are separated through the supporting body, and a cell gap is formed, in addition, the upper metal layer and the lower metal layer are arranged in a staggered mode; the supporting body, the upper metal layer and the lower metal layer form a capacitor, and changes of capacitance are fed back to the drive circuit through the grid scanning lines. The utility model further provides a display device. According to the technical scheme, poor cell gap performance because of damage or breakage of the supporting body can be effectively avoided, and therefore the display effect of the liquid crystal display with a touch function can be improved.
Description
Technical field
The utility model relates to display technique field, relates in particular to a kind of LCDs and display device.
Background technology
People are not strange for touching technique, and bank is all provided with the cash dispenser of touch function mostly, and there is the computer of touch function in the hall in hospital, library etc.In addition, support at present mobile phone, MP3, the digital camera of touch-screen also to come a lot.Fig. 1 is the structural representation of existing display device, and as shown in Figure 1, the display device that people see comprises the touch-screen 1 on upper strata, and the liquid crystal display of lower floor (LCD, Liquid Crystal Display) shields 2; Wherein, described touch-screen 1 plays sensor, be one with the transparent glass substrate on touch-responsive surface, described touch-screen 1 be generally arranged on described LCD screen 2 above, make the touch area of the panel of described touch-screen 1 can cover described LCD and shield 2 viewing area; LCD screen 2 comprises upper substrate 21, infrabasal plate 22, and upper substrate 21, infrabasal plate 22 connect by stilt (PS) 23, and the height that stilt 23 separates upper substrate, infrabasal plate is box thick (Cell Gap); Between the upper substrate 21 of LCD screen 2, infrabasal plate 22, be provided with liquid crystal and vertical and tiny electric wire level, by whether switch on to liquid crystal molecule change direction, light refraction out produced to picture.
Fig. 2 is the composition structural representation of a kind of LCD screen in prior art, and as shown in Figure 2, LCD screen comprises the stilt (PS) 23 of upper substrate, infrabasal plate and support upper substrate and infrabasal plate, and it is thick that the height that stilt 23 separates upper substrate, infrabasal plate is box; Wherein, described upper substrate comprises upper polarizer 201, top glass substrate 202, black matrix 203, colored pixels 204, public electrode 205 and upper oriented layer 206; Described infrabasal plate comprises lower oriented layer 207, protective seam 208, tin indium oxide (ITO, Indium Tin Oxide) pixel electrode 209, gate insulator 210, storage capacitance hearth electrode 211, lower glass substrate 212, grid 213, active layer 214, drain electrode 215, source lead 216 and lower polaroid 217.LCD gets rid of outside described upper substrate, infrabasal plate and stilt, also comprises drive integrated circult (IC, Integrated Circuit) 218, printed circuit board (PCB) 219, controls the parts such as IC220; Due to LCD product a great variety, each is variant for the upper substrate of different types of LCD, infrabasal plate, but similar substantially, repeats no more here.
Continuation is referring to Fig. 1, LCD utilizes the principle of the electrooptical effect of liquid crystal, by circuit, control transmissivity and the reflectivity of liquid crystal cells, can produce different gray-levels and the beautiful image of 1,670 ten thousand kinds of colors nearly, therefore, the imaging results of LCD will be good than CRT many, the existing picture reproducer that has become main flow.When people touch or press touch-screen 1, on touch-screen 1, can produce accordingly an electric current and flow through panel, thereby produce the variation of voltage signal, this change in voltage is shielded the controller sensing in 1 by being touched, thereby can determine that people touch the touch location on touch-screen 1.
Due to the application that combines of LCD screen 2 and touch-screen 1, as shown in Figure 3, when people touch continually or press touch-screen 1, also be indirectly applied on LCD screen 2, for traditional LCD product, such push action is comparatively fatal, because easily causing stilt 23 distortion even breaks, thereby thick the changing of box that causes stilt distortion or rent, pressing as shown in Figure 1 front cabinet thick is A, press as shown in Figure 2 the thick B of becoming of back box, so, will make the transmitance at this place occur changing, also cause picture in bad phenomenon such as local colour cast and water ripples (Mura), so that affect the normal demonstration of LCD.
Utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of LCDs, display device and improvement thereof to show bad method, the thick property of box that can effectively avoid PS breakage or fracture and cause is bad, thereby improves the display effect with the LCD screen of touch function.
For achieving the above object, the technical solution of the utility model is achieved in that
A LCDs, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit; The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; Above support is separated described upper metal level and lower metal layer that to form box thick, and described upper metal level and described lower metal layer are crisscross arranged; Above support, upper metal level, lower metal layer form electric capacity, when described electric capacity changes, by described controlling grid scan line, feed back to described driving circuit.
Further, institute's stilt is shaped as column or spherical; The material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide; The material of described upper oriented layer and described lower oriented layer is resene organic material.
A display device, described display device comprise touch-screen and as above the above LCDs.
The LCDs that the utility model provides and display device, wherein, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit; The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; Above support is separated described upper metal level and lower metal layer that to form box thick, and described upper metal level and described lower metal layer are crisscross arranged; Above support, upper metal level, lower metal layer form electric capacity, when described electric capacity changes, by described controlling grid scan line, feed back to described driving circuit; So, the electric capacity that the utility model utilizes stilt and upper metal level and lower metal layer to form, by controlling grid scan line, carry out lining by line scan of certain frequency, the source electrode data line that the electric capacity that thereby detecting changes because box is thick causes changes, and then accurately find out LCD and above press bad particular location; And the signal of pressing defective region by driving circuit end to producing is adjusted, change its original gray scale voltage, the final demonstration transmitance in this region is changed, compensation is because the transmitance that the thick variation of box brings changes, and then avoid the damaged or fracture of PS and the thick property of box that causes is bad, greatly improve the display effect with the LCD screen of touch function.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing display device;
Fig. 2 is the composition structural representation of a kind of LCD screen in prior art;
Fig. 3 is the structural representation of existing display screen when pressing;
Fig. 4 is the structural representation of the utility model display screen;
Fig. 5 is the vertical view of capacitance structure in the utility model display screen;
Fig. 6 is the structural representation of the utility model display screen when pressing;
Fig. 7 is the principle of work schematic diagram of the utility model PS scanning feedback line.
Description of reference numerals:
1--touch-screen; 2--LCD screen; 21--upper substrate; 22--infrabasal plate; 23--stilt; 201--upper polarizer; 202--top glass substrate; The black matrix of 203--; 204--colored pixels; 205--public electrode; The upper oriented layer of 206--; Oriented layer under 207--; 208--protective seam; 209--ITO pixel electrode; 210--gate insulator; 211--storage capacitance hearth electrode; 212--lower glass substrate; 213--grid; 214--active layer; 215--drain electrode; 216--source lead; Polaroid under 217--; 218--driving circuit; 219--printed circuit board (PCB); 220--controls IC; The upper metal level of 24--; 25--lower metal layer.
Embodiment
The demonstration of LCD screen is the electrooptical effect of utilizing liquid crystal, controls transmissivity and the reflectivity of liquid crystal cells by circuit, thereby produces different gray-levels and reach 1,670 ten thousand kinds of colors.In fact, in the production run of LCD screen, transmitance is the important parameter that affects LCD screen performance.In general, in the factors of transmitance that affects LCD screen, the thick and gray scale voltage of box is the factor of outbalance, therefore, and in the production run of LCD screen, as long as the thick and gray scale voltage of control enclosure effectively just can be controlled this important parameter of transmitance well.
Basic thought of the present utility model is: when the thick variation of box causes that transmitance changes, by changing the original gray scale voltage of transmitance region of variation, the final transmitance in described region is changed, with this, compensate the transmitance of bringing due to the thick variation of box and change, thereby improve LCD screen display damaged due to PS or that fracture causes, show bad.
A kind of LCDs that the utility model provides, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit;
The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; Above support is separated described upper metal level and lower metal layer that to form box thick, and described upper metal level and described lower metal layer are crisscross arranged;
Above support, upper metal level, lower metal layer form electric capacity, when described electric capacity changes, by described controlling grid scan line, feed back to described driving circuit.
Wherein, institute's stilt is shaped as column or spherical.
Wherein, the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
Wherein, the material of described upper oriented layer and described lower oriented layer is resene organic material.
A kind of display device that the utility model provides, described display device comprises touch-screen and described LCDs.
A kind of improvement that the utility model provides shows bad method, and described method comprises:
In LCD screen, the two ends up and down of stilt arrange respectively metal level, and described in two, metal level and above support form electric capacity;
The source electrode data line that controlling grid scan line Detection capacitance changes, and the source electrode data line that described electric capacity is changed sends to driving circuit;
Described driving circuit compensates the transmitance at the electric capacity place of changing.
Wherein, described driving circuit compensates the transmitance at the electric capacity place of changing, and comprising:
Described driving circuit is determined the adjusted value of original gray scale voltage according to the transmitance at the electric capacity place of changing, and the adjusted value of described original gray scale voltage is fed back to the controlling grid scan line of next frame;
Controlling grid scan line changes according to the adjusted value of described original gray scale voltage the original gray scale voltage that electric capacity changes and locates, thereby recovers the transmitance that electric capacity changes and locates.
Wherein, described controlling grid scan line scans described source electrode data line according to certain frequency.
Wherein, described method also comprises: the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further elaborated.
Embodiment
Fig. 4 is the structural representation of the utility model display screen, as shown in Figure 4, the display screen that the present embodiment provides comprises touch-screen 1 and LCD screen 2, described touch-screen 1 is arranged on the top of described LCD screen 2, described LCD screen 2 comprises upper substrate 21 and infrabasal plate 22, below described upper substrate 21, be provided with metal level 24, above described infrabasal plate 22, be provided with lower metal layer 25, described upper metal level 24, lower metal layer 25 is vertical setting mutually, between metal level 24 and lower metal layer 25, be provided with stilt 23 on described, above support 23 and upper metal level 24, lower metal layer 25 forms electric capacity, Fig. 5 is the vertical view of capacitance structure in the utility model display screen, above support 23 is Cell Gap by the height that described in two, upper metal level 24 and lower metal layer 25 separate.
Fig. 6 is the structural representation of the utility model display screen when pressing, as shown in Figure 6, when pressing, cause stilt 23 to occur when damaged, the box of stilt 23 breakages is thick becomes B(as Fig. 4 from A, shown in Fig. 6), now, stilt 23 and upper metal level 24, also can there is corresponding variation in the electric capacity that lower metal layer 25 forms, controlling grid scan line feeds back to driving circuit by the variation of capacitance signal, after driving circuit is processed the signal of stilt breakage, according to the thick variation that after variation, transmitance can produce from A to B of box, the signal of feedback is sent to the controlling grid scan line of next frame, by controlling grid scan line, stilt breakage transmitance is compensated, the transmitance that makes stilt breakage and other regions keep identical transmitance level.
Fig. 7 is the principle of work schematic diagram of the utility model controlling grid scan line, and as shown in Figure 7, controlling grid scan line can adopt the mode of similar capacitive touch screen circuit to scan; Concrete, by grid (Gate) sweep trace, carried out the progressive-source number of poles of certain frequency according to (Date) line, the source electrode data line that the electric capacity that thereby detecting changes because box is thick causes changes, and then accurately find out and on LCD screen, press bad particular location; And the signal of pressing defective region by driving circuit end to producing is adjusted, change its original gray scale voltage, the final demonstration transmitance in this region is changed, compensation is because the transmitance that the thick variation of box brings changes, and then avoid the damaged or fracture of PS and the thick property of box that causes is bad, greatly improve the display effect with the LCD screen of touch function.
It should be noted that, the display device that the utility model embodiment provides, it can be: any product or parts with Presentation Function such as liquid crystal panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The above; it is only preferred embodiments of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the disclosed technical scope of the utility model; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (5)
1. a LCDs, is characterized in that, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit;
The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; Above support is separated described upper metal level and lower metal layer that to form box thick, and described upper metal level and described lower metal layer are crisscross arranged;
Above support, upper metal level, lower metal layer form electric capacity, when described electric capacity changes, by described controlling grid scan line, feed back to described driving circuit.
2. LCDs according to claim 1, is characterized in that, institute's stilt be shaped as column or spherical.
3. LCDs according to claim 1, is characterized in that, the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
4. according to the LCDs described in claims 1 to 3 any one, it is characterized in that, the material of described upper oriented layer and described lower oriented layer is resene organic material.
5. a display device, is characterized in that, described display device comprises touch-screen and the LCDs as described in claim 1 to 4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545591.1U CN203455563U (en) | 2013-09-03 | 2013-09-03 | Liquid crystal display and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545591.1U CN203455563U (en) | 2013-09-03 | 2013-09-03 | Liquid crystal display and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455563U true CN203455563U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545591.1U Withdrawn - After Issue CN203455563U (en) | 2013-09-03 | 2013-09-03 | Liquid crystal display and display device |
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| CN (1) | CN203455563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423102A (en) * | 2013-09-03 | 2015-03-18 | 北京京东方光电科技有限公司 | Liquid crystal display screen, display device and method for improving display effect of display device |
| CN104570444A (en) * | 2015-01-12 | 2015-04-29 | 深圳同兴达科技股份有限公司 | Liquid crystal touch display panel |
| CN105988234A (en) * | 2015-02-16 | 2016-10-05 | 南京瀚宇彩欣科技有限责任公司 | Liquid crystal display panel and detection method thereof |
-
2013
- 2013-09-03 CN CN201320545591.1U patent/CN203455563U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423102A (en) * | 2013-09-03 | 2015-03-18 | 北京京东方光电科技有限公司 | Liquid crystal display screen, display device and method for improving display effect of display device |
| CN104423102B (en) * | 2013-09-03 | 2017-06-06 | 北京京东方光电科技有限公司 | A kind of LCDs, display device and its bad method of improvement display |
| CN104570444A (en) * | 2015-01-12 | 2015-04-29 | 深圳同兴达科技股份有限公司 | Liquid crystal touch display panel |
| CN105988234A (en) * | 2015-02-16 | 2016-10-05 | 南京瀚宇彩欣科技有限责任公司 | Liquid crystal display panel and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20170606 |
|
| AV01 | Patent right actively abandoned |