CN202600306U - Blue phase liquid crystal display panel and liquid crystal display device - Google Patents
Blue phase liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN202600306U CN202600306U CN 201220272777 CN201220272777U CN202600306U CN 202600306 U CN202600306 U CN 202600306U CN 201220272777 CN201220272777 CN 201220272777 CN 201220272777 U CN201220272777 U CN 201220272777U CN 202600306 U CN202600306 U CN 202600306U
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Abstract
An embodiment of the utility model provides a blue phase liquid crystal display panel and a liquid crystal display device, and relates to the field of display panel manufacture. The blue phase liquid crystal display panel and the liquid crystal display device can reduce driving voltage of a blue phase liquid crystal display device, and solve the technical difficulty of high voltage when the blue phase liquid crystal display device works. The blue phase liquid crystal display panel and the liquid crystal display device comprise a first substrate and a second substrate, wherein the first substrate and the second substrate are horizontally arranged. A blue phase liquid crystal layer is arranged between the first substrate and the second substrate. The second substrate is provided with a reflection layer. An area covered by the reflection layer is a reflection area. An area uncovered by the reflection layer is a transmission area. The first substrate is provided with at least one wedge-shaped common electrode. The second substrate is provided with at least one wedge-shaped pixel electrode. The common electrode and the pixel electrode are mutually spaced, and are inserted in the blue phase liquid crystal layer in an opposite mode. The blue phase liquid crystal display panel and the liquid crystal display device can be used for manufacturing of liquid crystal display devices.
Description
Technical field
The utility model relates to display panel and makes the field, relates in particular to a kind of blue phase liquid crystal display panel and liquid crystal indicator.
Background technology
Because liquid crystal self is not luminous, according to the difference of liquid crystal display displays mode, LCD in the market mainly can be divided into transmission-type, reflective and Transflective three major types.Wherein, again owing to transflective liquid crystal display can use under the situation of bright and clear and insufficient light simultaneously, so transflective liquid crystal display has obtained using widely in portable mobile electronic device.
In order further to improve the performance of transflective liquid crystal display, the blue phase liquid crystal technology has begun to apply to transflective liquid crystal display.Compare with traditional LCD, the response time of blue phase liquid crystal display, the theory of the blue phase liquid crystal demonstration time can reach below the Millisecond much smaller than conventional liquid crystal, and this helps to reduce the fuzzy of moving image, improves display quality.On the other hand, when adopting LED (Light Emitting Diode, light emitting diode) when doing backlight, blue phase liquid crystal can also need not to realize that through color filter film colored sequential shows.In addition, when display did not power up, blue phase liquid crystal was optically isotropic, compare with traditional LCD, the bigger and left-right symmetric of the visible angle of blue phase liquid crystal display, the dark attitude light leak of display still less, contrast is higher.The more important thing is that compare with traditional LCD, blue phase liquid crystal display need not be provided with oriented layer, has so not only simplified manufacturing process, greatly reduces production cost of products yet.
Desired driving voltage was higher usually when but blue phase liquid crystal display showed, too high driving voltage is unfavorable for that blue phase liquid crystal display is applied to portable electric appts.
The utility model content
The embodiment of the utility model provides a kind of blue phase liquid crystal display panel and liquid crystal indicator, can reduce the driving voltage of blue phase liquid crystal display device, the high technical barrier of voltage when solving blue phase liquid crystal display device work.
For achieving the above object, the embodiment of the utility model adopts following technical scheme:
The one side of the utility model embodiment; A kind of blue phase liquid crystal display panel is provided, comprises: first substrate that laterally arranges and second substrate are blue phase liquid crystal layer between said first substrate and said second substrate; Has the reflection horizon on said second substrate; Overlay area, said reflection horizon is the echo area, and said reflection horizon uncovered area is a transmission area, comprising:
Said first substrate is provided with the public electrode of at least one wedge shape, and said second substrate is provided with the pixel electrode of at least one wedge shape.
Said public electrode and said pixel electrode space, and to inserting in said blue phase liquid crystal layer.
Said first substrate comprises the first substrate polaroid, first substrate, 1/2nd wave plates, the first substrate quarter-wave plate and the first substrate hyaline layer.
Said second substrate comprises the second substrate polaroid, second substrate, 1/2nd wave plates, the second substrate quarter-wave plate and the second substrate hyaline layer.
Wherein, The optical axis direction of the optical axis direction of the said first substrate polaroid and the said second substrate polaroid is vertical each other; The optical axis direction of said first substrate, 1/2nd wave plates is vertical each other with the optical axis direction of said second substrate, 1/2nd wave plates, and the optical axis direction of the optical axis direction of the said first substrate quarter-wave plate and the said second substrate quarter-wave plate is vertical each other.
The number of said public electrode and the number of said pixel electrode equate.
Public electrode number in the said transmission area is the twice of the public electrode number in the said echo area.
Pixel electrode number in the said transmission area is the twice of the pixel electrode number in the said echo area.
The two ends of said transmission area are respectively a said public electrode and a said pixel electrode; The two ends of said echo area are respectively a said public electrode and a said pixel electrode.
Said public electrode and said pixel electrode in the same zone are uniformly-spaced arranged.
Said transmission area adjacent electrode spacing is 5-8 μ m, and said echo area adjacent electrode spacing is 15-24 μ m.
Said public electrode and said pixel electrode are trapezoidal.
Wherein, said public electrode and said pixel electrode are trapezoidal long limit with the limit of place substrate contacts, and the length on said long limit is 4-8 μ m, and the bond length relative with said long limit is 2-6 μ m.
The height of said public electrode and said pixel electrode is identical with said blue phase liquid crystal layer thickness.
The height of said public electrode and said pixel electrode is 2-4 μ m.
The utility model embodiment provides a kind of liquid crystal indicator on the other hand, comprises aforesaid blue phase liquid crystal display panel.
Blue phase liquid crystal display panel and liquid crystal indicator that the utility model embodiment provides; Comprise first substrate and second substrate that laterally arrange; Be blue phase liquid crystal layer between this first substrate and second substrate, this first substrate is provided with the public electrode of at least one wedge shape, and this second substrate is provided with the pixel electrode of at least one wedge shape; This public electrode and pixel electrode space, and to inserting in blue phase liquid crystal layer.Can the electric field that be added on blue phase liquid crystal in the prior art be become horizontal direction by vertical direction like this; Owing to have only horizontal electric field component influential to the transmitance of blue phase liquid crystal; Adopt a kind of like this electrode of structure can increase horizontal electric field component greatly; Thereby make the driving voltage of blue phase liquid crystal display device reduce, the high technical barrier of voltage when having solved blue phase liquid crystal display device work.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of blue phase liquid crystal display panel that Fig. 1 provides for the utility model embodiment;
The liquid crystal layer structural representation of a kind of blue phase liquid crystal display panel that Fig. 2 provides for the utility model embodiment.
Reference numeral:
10-blue phase liquid crystal display panel; 11-first substrate; 12-second substrate; The 121-reflection horizon; The 122-passivation layer; The 13-blue phase liquid crystal layer; The 14-public electrode; The 15-pixel electrode;
The 161-first substrate polaroid; The 162-second substrate polaroid; 171-first substrate 1/2nd wave plates; 172-second substrate 1/2nd wave plates; The 181-first substrate quarter-wave plate; The 182-second substrate quarter-wave plate; The 191-first substrate hyaline layer; The 192-second substrate hyaline layer.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The blue phase liquid crystal display panel 10 that the utility model embodiment provides; As shown in Figure 1; Comprise: be to have reflection horizon 121 on blue phase liquid crystal layer 13, the second substrates 12 between first substrate 11 that laterally arranges and second substrate, 12, the first substrates 11 and second substrate 12; 121 overlay areas, reflection horizon are echo area (a-quadrant among Fig. 1), and reflection horizon 122 uncovered area are transmission area (B zone among Fig. 1).
Wherein, the light that influences reflection horizon 121 for fear of blue phase liquid crystal layer reflects, and also is coated with passivation layer 122 on the reflection horizon 121 usually.
Adopt a kind of like this blue phase liquid crystal display panel of structure; Comprise first substrate and second substrate that laterally arrange; Be blue phase liquid crystal layer between this first substrate and second substrate, this first substrate is provided with the public electrode of at least one wedge shape, and this second substrate is provided with the pixel electrode of at least one wedge shape; This public electrode and pixel electrode space, and to inserting in blue phase liquid crystal layer.Can the electric field that be added on blue phase liquid crystal in the prior art be become horizontal direction by vertical direction like this; Owing to have only horizontal electric field component influential to the transmitance of blue phase liquid crystal; Adopt a kind of like this electrode of structure can increase horizontal electric field component greatly; Thereby make the driving voltage of blue phase liquid crystal display device reduce, the high technical barrier of voltage when having solved blue phase liquid crystal display device work.
Further, with reference to shown in Figure 1, first substrate 11 comprises the first substrate polaroid 161, first substrate, 1/2nd wave plates 171, the first substrate quarter-wave plate 181 and the first substrate hyaline layer 191.
Wherein, The optical axis direction of the optical axis direction of the first substrate polaroid 161 and the second substrate polaroid 162 is vertical each other; The optical axis direction of first substrate, 1/2nd wave plates 171 is vertical each other with the optical axis direction of second substrate, 1/2nd wave plates 172, and the optical axis direction 181 of the first substrate quarter-wave plate is vertical each other with the optical axis direction of the second substrate quarter-wave plate 182.
When public electrode 14 and pixel electrode 15 are not switched on; The blue phase liquid crystal molecule does not deflect; The blue phase liquid crystal optical isotropy; First substrate 11 and second substrate 12 adopt the above-mentioned wave plate and the combination of polaroid on the basis of not extra increase display panel thickness, to reduce dark attitude light leak to greatest extent, have improved the quality of the dark attitude of display panel, thereby have improved the contrast of display device.
Need to prove that the first substrate hyaline layer 191 and the second substrate hyaline layer 192 can adopt glass or transparent resin.Choosing and making up of above-mentioned wave plate and polaroid is a kind of possible structure of first substrate or second substrate.Other can realize that the combination of wave plate and the polaroid of dark attitude effect also should include the protection domain of the utility model in.
Further, as shown in Figure 1, the number of the number of public electrode 14 and pixel electrode 15 equates.
Wherein, public electrode 14 numbers in the transmission area are twices of public electrode 14 numbers in the echo area.
In the utility model embodiment; The liquid crystal cell of transmission area and echo area is thick identical; Backlight passes through liquid crystal layer once, and surround lighting passes the liquid crystal layer twice of echo area, and the light path of echo area is the twice of transmission area light path; Because there are optical path difference in transmission area and echo area, have phase delay between transmission area and the echo area.Quantity through adjustment transmission area and echo area electrode; Make that the electric field intensity of echo area is the half the of transmission area electric field intensity; Make transmission area liquid crystal deflection degree strengthen, thereby make the refractive index of transmission area liquid crystal layer increase to the twice of echo area liquid crystal layer refractive index.Under the thick constant situation of box; The increase twice of refractive index will cause light path to increase to the twice of former light path; Thereby avoided transmission area and echo area optical path difference to occur; Make transmission area and echo area have identical phase delay, obtain transmission and reflect the transmitting/reflecting LCD that electro-optical characteristic is complementary.
Wherein, the two ends of transmission area are respectively a public electrode 14 and a pixel electrode 15.The two ends of echo area are respectively a public electrode 14 and a pixel electrode 15.
As shown in Figure 2, Fig. 2 is the liquid crystal layer structural representation of Fig. 1, and the public electrode 14 in the same zone is uniformly-spaced arranged with pixel electrode 15.Transmission area adjacent electrode spacing a is 5-8 μ m, and echo area adjacent electrode spacing b is 15-24 μ m.Wherein, the choosing the size of wanting the video element of public electrode 14 and pixel electrode 15 width spacings and deciding adopts a kind of like this spacing dimension can satisfy the production of the display device with main flow Pixel Dimensions.
Wherein, public electrode 14 is trapezoidal long limit c with pixel electrode 15 with the limit that belongs to substrate contacts, and the length of this length limit c is 4-8 μ m, and the length of the minor face d relative with long limit c is 2-6 μ m.
The height H of public electrode 14 and pixel electrode 15 is identical with blue phase liquid crystal layer 13 thickness.And the height H of public electrode 14 and pixel electrode 15 is 2-4 μ m.
Because the height of public electrode 14 and pixel electrode 15 is that the liquid crystal cell that is designed is thick; Public electrode 14 can play the thick effect of liquid crystal cell of supporting with pixel electrode 15; Thereby need not increase stilt between liquid crystal cell, simplify the production process of display panel, reduce production cost.
Need to prove that public electrode 14 and pixel electrode 15 that the utility model embodiment provided can be the transparency electrodes that is formed by tin indium oxide (ITO) or indium zinc oxide transparent conductive materials such as (IZO).In the above-described embodiments; Public electrode 14 all adopts trapezium structure can increase the soundness of public electrode 14 and pixel electrode 15 with pixel electrode 15; Certainly, public electrode 14 can also be the wedge electrode of other shapes with pixel electrode 15, for example rectangle or triangular pyramidal.
The liquid crystal indicator that the utility model embodiment provides comprises aforesaid blue phase liquid crystal display panel.
The structure of blue phase liquid crystal display panel has been done detailed description in the aforementioned embodiment, does not do here and gives unnecessary details.
Adopt a kind of like this liquid crystal indicator; The blue phase liquid crystal display panel comprises first substrate and second substrate that laterally arranges; Be blue phase liquid crystal layer between this first substrate and second substrate, this first substrate is provided with the public electrode of at least one wedge shape, and this second substrate is provided with the pixel electrode of at least one wedge shape; This public electrode and pixel electrode space, and to inserting in blue phase liquid crystal layer.Can the electric field that be added on blue phase liquid crystal in the prior art be become horizontal direction by vertical direction like this; Owing to have only horizontal electric field component influential to the transmitance of blue phase liquid crystal; Adopt a kind of like this electrode of structure can increase horizontal electric field component greatly; Thereby make the driving voltage of blue phase liquid crystal display device reduce, the high technical barrier of voltage when having solved blue phase liquid crystal display device work.
The above; Be merely the embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of said claim.
Claims (9)
1. blue phase liquid crystal display panel; Comprise: first substrate that laterally arranges and second substrate are blue phase liquid crystal layer between said first substrate and said second substrate, have the reflection horizon on said second substrate; Overlay area, said reflection horizon is the echo area; Said reflection horizon uncovered area is a transmission area, it is characterized in that, comprising:
Said first substrate is provided with the public electrode of at least one wedge shape, and said second substrate is provided with the pixel electrode of at least one wedge shape;
Said public electrode and said pixel electrode space, and to inserting in said blue phase liquid crystal layer.
2. display panel according to claim 1 is characterized in that,
Said first substrate comprises the first substrate polaroid, first substrate, 1/2nd wave plates, the first substrate quarter-wave plate and the first substrate hyaline layer;
Said second substrate comprises the second substrate polaroid, second substrate, 1/2nd wave plates, the second substrate quarter-wave plate and the second substrate hyaline layer;
Wherein, The optical axis direction of the optical axis direction of the said first substrate polaroid and the said second substrate polaroid is vertical each other; The optical axis direction of said first substrate, 1/2nd wave plates is vertical each other with the optical axis direction of said second substrate, 1/2nd wave plates, and the optical axis direction of the optical axis direction of the said first substrate quarter-wave plate and the said second substrate quarter-wave plate is vertical each other.
3. display panel according to claim 1 is characterized in that, the number of said public electrode and the number of said pixel electrode equate;
Public electrode number in the said transmission area is the twice of the public electrode number in the said echo area;
Pixel electrode number in the said transmission area is the twice of the pixel electrode number in the said echo area.
4. display panel according to claim 3 is characterized in that, the two ends of said transmission area are respectively a said public electrode and a said pixel electrode; The two ends of said echo area are respectively a said public electrode and a said pixel electrode.
5. display panel according to claim 3 is characterized in that, said public electrode and said pixel electrode in the same zone are uniformly-spaced arranged;
Said transmission area adjacent electrode spacing is 5-8 μ m, and said echo area adjacent electrode spacing is 15-24 μ m.
6. according to the arbitrary described display panel of claim 1 to 5, it is characterized in that said public electrode and said pixel electrode are trapezoidal;
Wherein, said public electrode and said pixel electrode are trapezoidal long limit with the limit of place substrate contacts, and the length on said long limit is 4-8 μ m, and the bond length relative with said long limit is 2-6 μ m.
7. according to the arbitrary described display panel of claim 1 to 5, it is characterized in that the height of said public electrode and said pixel electrode is identical with said blue phase liquid crystal layer thickness.
8. display panel according to claim 7 is characterized in that, the height of said public electrode and said pixel electrode is 2-4 μ m.
9. a liquid crystal indicator is characterized in that, comprising: like the arbitrary described blue phase liquid crystal display panel of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220272777 CN202600306U (en) | 2012-06-08 | 2012-06-08 | Blue phase liquid crystal display panel and liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220272777 CN202600306U (en) | 2012-06-08 | 2012-06-08 | Blue phase liquid crystal display panel and liquid crystal display device |
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| CN202600306U true CN202600306U (en) | 2012-12-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529601A (en) * | 2013-11-08 | 2014-01-22 | 河北工业大学 | Blue-phase liquid crystal display with low driving voltage and high transmittance |
| CN104714344A (en) * | 2015-03-31 | 2015-06-17 | 合肥京东方光电科技有限公司 | Blue phase liquid crystal display device and production method thereof |
| CN105068351A (en) * | 2015-08-28 | 2015-11-18 | 武汉华星光电技术有限公司 | Blue-phase liquid crystal display module, blue-phase liquid crystal display and manufacturing method of blue-phase liquid crystal display module |
| CN105204242A (en) * | 2015-10-13 | 2015-12-30 | 武汉华星光电技术有限公司 | Blue phase liquid crystal display and display module thereof |
| US10249760B2 (en) | 2016-06-21 | 2019-04-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Thin film transistor and liquid crystal display panel |
| CN112987360A (en) * | 2021-03-22 | 2021-06-18 | 厦门天马微电子有限公司 | Display panel and display device |
-
2012
- 2012-06-08 CN CN 201220272777 patent/CN202600306U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529601A (en) * | 2013-11-08 | 2014-01-22 | 河北工业大学 | Blue-phase liquid crystal display with low driving voltage and high transmittance |
| CN103529601B (en) * | 2013-11-08 | 2016-02-03 | 河北工业大学 | The blue phase liquid crystal display of low driving voltage high permeability |
| CN104714344A (en) * | 2015-03-31 | 2015-06-17 | 合肥京东方光电科技有限公司 | Blue phase liquid crystal display device and production method thereof |
| US10025147B2 (en) | 2015-03-31 | 2018-07-17 | Boe Technology Group Co., Ltd. | Blue phase liquid crystal display device and manufacturing method thereof |
| CN105068351B (en) * | 2015-08-28 | 2018-01-09 | 武汉华星光电技术有限公司 | Blue phase liquid crystal display module, blue phase liquid crystal display and preparation method thereof |
| CN105068351A (en) * | 2015-08-28 | 2015-11-18 | 武汉华星光电技术有限公司 | Blue-phase liquid crystal display module, blue-phase liquid crystal display and manufacturing method of blue-phase liquid crystal display module |
| CN105204242A (en) * | 2015-10-13 | 2015-12-30 | 武汉华星光电技术有限公司 | Blue phase liquid crystal display and display module thereof |
| WO2017063203A1 (en) * | 2015-10-13 | 2017-04-20 | 武汉华星光电技术有限公司 | Blue phase liquid crystal display and display module thereof |
| US10295879B2 (en) | 2015-10-13 | 2019-05-21 | Wuhan China Star Optoelectronics Technology Co., Ltd | Blue phase mode liquid crystal display apparatus and its display module |
| US10249760B2 (en) | 2016-06-21 | 2019-04-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Thin film transistor and liquid crystal display panel |
| CN112987360A (en) * | 2021-03-22 | 2021-06-18 | 厦门天马微电子有限公司 | Display panel and display device |
| CN112987360B (en) * | 2021-03-22 | 2023-02-17 | 厦门天马微电子有限公司 | Display panel and display device |
| US11796868B2 (en) | 2021-03-22 | 2023-10-24 | Xiamen Tianma Micro-Electronics Co., Ltd. | Display panel and display device |
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