CN204964952U - Display panel and LCD who uses this display panel - Google Patents
Display panel and LCD who uses this display panel Download PDFInfo
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- CN204964952U CN204964952U CN201520775579.9U CN201520775579U CN204964952U CN 204964952 U CN204964952 U CN 204964952U CN 201520775579 U CN201520775579 U CN 201520775579U CN 204964952 U CN204964952 U CN 204964952U
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Abstract
The utility model provides a display panel and LCD who uses this display panel, including polaroid, infrabasal plate, liquid crystal layer, upper substrate, polarizing on, first phase place postpone membrane and second phase place delay membrane down, the liquid crystal layer is located between upper substrate and the infrabasal plate, polarizing on is located one side that the upper substrate deviates from the liquid crystal layer, the polaroid lies in one side that the infrabasal plate deviates from the liquid crystal layer down, first phase place postpones the membrane and lies in one side that polarizing on deviates from the liquid crystal layer, the second phase place postpones the membrane and lies in between first phase place delay membrane and the polarizing on, and first phase place postpones the membrane and is 14 lambda phase -delay membranes, the second phase place postpones the membrane and is 12 lambda phase -delay membranes, thereby the problem of polarisation sunglasses to liquid crystal display's flatting effect both can have been solved when wearing the polarisation sunglasses, the colour cast and the luminance deviation of image that again can the liquid crystal display that different angles were watched so that the user is deflected are all less.
Description
Technical field
The utility model relates to display technology field, more particularly, relates to the liquid crystal display of a kind of display panel and this display panel of application.
Background technology
Existing a kind of liquid crystal display, with reference to figure 1, comprises upper substrate 1, infrabasal plate 2 and the liquid crystal layer between upper substrate 1 and infrabasal plate 23, and wherein, the outside of upper substrate 1 has upper polaroid 10, and the outside of infrabasal plate 2 has lower polaroid 20.
Light due to liquid crystal display outgoing is the linearly polarized light consistent with polaroid polarization direction, therefore, when user wears the image of polarisation sunglasses viewing liquid crystal display, along with the deflection of user's head, between the absorption axle of polarisation sunglasses and the absorption axle of polaroid, different angles can be presented.Wherein, when the angle of the two is when 0 ° namely two absorption axles are parallel, the displaying contents that user sees is the most clear, when the two angle to change from 0 ° to 90 ° namely change plumbness into from parastate time, the displaying contents that user sees is dimmed gradually until cannot see displaying contents, and this phenomenon is called extinction effect.
Pasted the phase retardation film of 1/4 λ in prior art in the outside of upper polaroid 10, the phase retardation film of this 1/4 λ changes the linearly polarized light of liquid crystal display outgoing into circularly polarized light or elliptically polarized light, to eliminate the extinction effect of polarized sunglasses.But, the color of the LCDs that user can be caused so again to watch can change along with the change of polarisation sunglasses angle (i.e. the polarization angle of user's head), and the colour cast of the image that the LCDs that namely user watches from different perspectives shows is larger.
Utility model content
In view of this, the utility model provides the liquid crystal display of a kind of display panel and this display panel of application, during to solve in prior art the LCDs of user's viewing of wearing polarisation sunglasses, and the problem of the comparatively large and extinction effect of colour cast.
For achieving the above object, the utility model provides following technical scheme:
A kind of display panel, comprises lower polaroid, infrabasal plate, liquid crystal layer, upper substrate, upper polaroid, first phase phase shift films and second phase phase shift films;
Described liquid crystal layer is between described upper substrate and infrabasal plate; Described upper polaroid is positioned at the side that described upper substrate deviates from described liquid crystal layer; Described lower polaroid is positioned at the side that described infrabasal plate deviates from described liquid crystal layer; Described first phase phase shift films is positioned at the side that described upper polaroid deviates from described liquid crystal layer, described second phase phase shift films described first phase phase shift films and described between polaroid, and described first phase phase shift films is 1/4 λ phase retardation film, described second phase phase shift films is 1/2 λ phase retardation film.
Preferably, described first phase phase shift films and second phase phase shift films are integrated on two diaphragms respectively.
Preferably, described first phase phase shift films and second phase phase shift films are integrated on a diaphragm, and described membrane attaching is in the surface of described upper polaroid.
Preferably, the retardation scope of described first phase phase shift films is 100nm ~ 180nm; The retardation scope of described second phase phase shift films is 200nm ~ 360nm.
Preferably, the angle of the slow axis of described first phase phase shift films and the slow axis of described second phase phase shift films is the angle of the slow axis of described second phase phase shift films and the absorption axle of described upper polaroid and default angle sum.
Preferably, the angular range of the slow axis of described second phase phase shift films and the absorption axle of described upper polaroid is 0 ~ 90 °, and described default angle is 45 °.
A kind of liquid crystal display, comprises the display panel as above described in any one.
Preferably, described liquid crystal display is twisted nematic liquid crystal display, super twisted nematic liquid crystal display or Thin Film Transistor-LCD.
Compared with prior art, technical scheme provided by the utility model has the following advantages:
The liquid crystal display of display panel provided by the utility model and this display panel of application, the side that upper polaroid deviates from liquid crystal layer has first phase phase shift films and second phase phase shift films, and first phase phase shift films is 1/4 λ phase retardation film, second phase phase shift films is 1/2 λ phase retardation film, thus both can solve the problem of the extinction effect when user wearing polarisation sunglasses watches LCDs, can make again user from the colour cast of the image of arbitrarily angled LCDs of watching and luminance deviation all less.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of existing a kind of liquid crystal display;
The structural representation of the liquid crystal display that Fig. 2 provides for an embodiment of the present utility model;
The angled relationships schematic diagram of upper polaroid, first phase phase shift films and second phase phase shift films that Fig. 3 provides for an embodiment of the present utility model.
Embodiment
As described in background, when user wears polarisation sunglasses viewing LCDs, there will be the viewing that extinction effect affects user.And although existing a kind of LCDs with the phase retardation film of 1/4 λ can eliminate extinction effect, the colour cast of the image of the LCDs display that user can be caused again to watch from different perspectives is larger.
Based on this, the utility model provides a kind of display panel, to overcome the problems referred to above that prior art exists, comprises lower polaroid, infrabasal plate, liquid crystal layer, upper substrate, upper polaroid, first phase phase shift films and second phase phase shift films;
Described liquid crystal layer is between described upper substrate and infrabasal plate; Described upper polaroid is positioned at the side that described upper substrate deviates from described liquid crystal layer; Described lower polaroid is positioned at the side that described infrabasal plate deviates from described liquid crystal layer; Described first phase phase shift films is positioned at the side that described upper polaroid deviates from described liquid crystal layer, described second phase phase shift films described first phase phase shift films and described between polaroid, and described first phase phase shift films is 1/4 λ phase retardation film, described second phase phase shift films is 1/2 λ phase retardation film.
The utility model additionally provides a kind of liquid crystal display, comprises above-mentioned display panel.
The liquid crystal display of display panel provided by the utility model and this display panel of application, the side that upper polaroid deviates from liquid crystal layer has first phase phase shift films and second phase phase shift films, and first phase phase shift films is 1/4 λ phase retardation film, second phase phase shift films is 1/2 λ phase retardation film, thus both can solve the problem that the user wearing polarisation sunglasses watches the extinction effect of LCDs, colour cast and the luminance deviation of the image of the LCDs that user can be made again to watch from different perspectives are all less.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
An embodiment of the present utility model provides a kind of display panel, as shown in Figure 2, comprise lower polaroid 20, infrabasal plate 21, liquid crystal layer 22, upper substrate 23, upper polaroid 24, second phase phase shift films 25 and first phase phase shift films 26 from the bottom up successively, wherein, first phase phase shift films 26 is 1/4 λ phase retardation film, and second phase phase shift films 25 is 1/2 λ phase retardation film.
Wherein, when light is along normal direction vertical incidence phase retardation film, can make to produce phase differential between the ordinary light in light (O light) and extraordinary ray (e light), and the phase retardation film that the phasic difference produced equals pi/2 or its odd-multiple is 1/4 λ phase retardation film; Equally, the phasic difference of generation equals the phase retardation film of π or its odd-multiple, is called 1/2 λ phase retardation film.
As shown in Figure 2, liquid crystal layer 22 is between upper substrate 23 and infrabasal plate 21, namely the outside that upper polaroid 24 is positioned at upper substrate 23 is positioned at the side that upper substrate 23 deviates from liquid crystal layer 22, namely the outside that lower polaroid 20 is positioned at infrabasal plate 21 is positioned at the side that infrabasal plate 21 deviates from liquid crystal layer 22, namely the outside that second phase phase shift films 25 is positioned at polaroid 24 is positioned at the side that polaroid 24 deviates from liquid crystal layer 22, namely the outside that first phase phase shift films 26 is positioned at second phase phase shift films 25 is positioned at the side that second phase phase shift films 25 deviates from liquid crystal layer 22, that is, 1/2 λ phase retardation film is positioned at the outer surface of polaroid 24, 1/4 λ phase retardation film is positioned at the outer surface of 1/2 λ phase retardation film.
Although be linearly polarized light from the light of upper polaroid 24 outgoing, but, because first phase phase shift films 26 i.e. 1/4 λ phase retardation film can change the polarization state of light, therefore, be circularly polarized light or elliptically polarized light from the light of 1/4 λ phase retardation film outgoing, now, how the head no matter wearing the user of polarisation sunglasses deflects, namely no matter between the absorption axle of polarisation sunglasses and the absorption axle of upper polaroid 24 in any angle, user can watch display image, namely there will not be full-dull phenomenon.
But, due to 1/4 λ phase retardation film for be the light of specific wavelength, as for λ being 1/4 λ phase retardation film of 550nm wavelength ray design, can only be that the light of 550nm transfers circularly polarized light to by linearly polarized light by wavelength, the light of other wavelength then transfers elliptically polarized light to, therefore, when user wears polarisation sunglasses viewing LCDs, the color of the LCDs seen and brightness can absorb axle with polarisation sunglasses and upper polaroid 24 absorb the change of the angle between axle and change, and namely the colour cast of image seen of user is larger.
Based on this, the utility model increases by 1/2 λ phase retardation film between 1/4 λ phase retardation film and upper polaroid 24, full wave light can be converted to circularly polarized light, namely make the light of outgoing after 1/2 λ phase retardation film and 1/4 λ phase retardation film be circularly polarized light, thus the colour cast of the image of the LCDs that user can be made to watch from different perspectives and luminance deviation all less.
Further, in order to all transfer full wave light to circularly polarized light, when carrying out the manufacture craft of display panel, as shown in Figure 3, the angle theta of the slow axis A of first phase phase shift films 26 and the slow axis B of second phase phase shift films 25 need be ensured
1equal the angle theta of the slow axis B of second phase phase shift films 25 and the absorption axle C of upper polaroid 24 and default angle theta
0sum, i.e. θ
1=θ+θ
0, that is, the angle theta of the slow axis A of first phase phase shift films 26 and the absorption axle C of upper polaroid 24
2=2 θ+θ
0.Wherein, the scope of angle theta is 0 ~ 90 °, presets angle theta
0it is 45 °.
Optionally, the retardation scope of second phase phase shift films 25 is 200nm ~ 360nm; The retardation scope of first phase phase shift films 26 is 100nm ~ 180nm.
In addition, second phase phase shift films 25 can be pasted on the surface of upper polaroid 24 by cementing agent, first phase phase shift films 26 is also bonded in the surface of second phase phase shift films 25 by cementing agent.Certainly, in other embodiments, phase retardation film can also be adhered to by other means.
The display panel that the present embodiment provides, the side that upper polaroid deviates from liquid crystal layer has first phase phase shift films and second phase phase shift films, and first phase phase shift films is 1/4 λ phase retardation film, second phase phase shift films is 1/2 λ phase retardation film, thus both can solve when wearing polarisation sunglasses that polarisation sunglasses are to the extinction effect problem of LCDs, colour cast and the luminance deviation of the image of the LCDs that user can be made again to watch from different perspectives are all less.
Of the present utility modelly another embodiment provides for a kind of display panel, the structure of the display panel that structure and above-described embodiment of this display panel provide is identical, its difference is, first phase phase shift films in above-described embodiment and second phase phase shift films are two diaphragms separated, and first phase phase shift films in the present embodiment and second phase phase shift films are integrated on a diaphragm, and this membrane attaching is in the surface of described upper polaroid.
Particularly, completely overlapping first phase phase shift films can become a diaphragm by adhesive bond with the second phase shift films, and certainly, first phase phase shift films and second phase phase shift films can be integrated on a diaphragm by the utility model by other means.Now, second phase phase shift films in the diaphragm i.e. side of 1/2 λ phase retardation film need be attached at the surface of upper polaroid.
The display panel that the present embodiment provides, the side that upper polaroid deviates from liquid crystal layer has first phase phase shift films and second phase phase shift films, and first phase phase shift films is 1/4 λ phase retardation film, second phase phase shift films is 1/2 λ phase retardation film, thus both can solve when wearing polarisation sunglasses that polarisation sunglasses are to the problem of the extinction effect of LCDs, colour cast and the luminance deviation of the image of the LCDs that user can be made again to watch from different perspectives are all less.
Another embodiment of the present utility model provides a kind of liquid crystal display, and this liquid crystal display comprises the display panel that as above any embodiment provides.Optionally, this liquid crystal display can be twisted nematic liquid crystal display, super twisted nematic liquid crystal display or Thin Film Transistor-LCD etc.
The liquid crystal display that the present embodiment provides, the side that upper polaroid deviates from liquid crystal layer has first phase phase shift films and second phase phase shift films, and first phase phase shift films is 1/4 λ phase retardation film, second phase phase shift films is 1/2 λ phase retardation film, thus both can solve when wearing polarisation sunglasses that polarisation sunglasses are to the problem of the extinction effect of LCDs, colour cast and the luminance deviation of the image of the LCDs that user can be made again to watch from different perspectives are all less.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a display panel, is characterized in that, comprises lower polaroid, infrabasal plate, liquid crystal layer, upper substrate, upper polaroid, first phase phase shift films and second phase phase shift films;
Described liquid crystal layer is between described upper substrate and infrabasal plate; Described upper polaroid is positioned at the side that described upper substrate deviates from described liquid crystal layer; Described lower polaroid is positioned at the side that described infrabasal plate deviates from described liquid crystal layer; Described first phase phase shift films is positioned at the side that described upper polaroid deviates from described liquid crystal layer, described second phase phase shift films described first phase phase shift films and described between polaroid, and described first phase phase shift films is 1/4 λ phase retardation film, described second phase phase shift films is 1/2 λ phase retardation film.
2. display panel according to claim 1, is characterized in that, described first phase phase shift films and second phase phase shift films are integrated on two diaphragms respectively.
3. display panel according to claim 1, is characterized in that, described first phase phase shift films and second phase phase shift films are integrated on a diaphragm, and described membrane attaching is in the surface of described upper polaroid.
4. the display panel according to Claims 2 or 3, is characterized in that, the retardation scope of described first phase phase shift films is 100nm ~ 180nm; The retardation scope of described second phase phase shift films is 200nm ~ 360nm.
5. display panel according to claim 4, it is characterized in that, the angle of the slow axis of described first phase phase shift films and the slow axis of described second phase phase shift films equals the angle of the slow axis of described second phase phase shift films and the absorption axle of described upper polaroid and default angle sum.
6. display panel according to claim 5, is characterized in that, the angular range of the slow axis of described second phase phase shift films and the absorption axle of described upper polaroid is 0 ~ 90 °, and described default angle is 45 °.
7. a liquid crystal display, is characterized in that, comprises the display panel described in any one of claim 1 ~ 6.
8. liquid crystal display according to claim 7, is characterized in that, described liquid crystal display is twisted nematic liquid crystal display, super twisted nematic liquid crystal display or Thin Film Transistor-LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775579.9U CN204964952U (en) | 2015-09-30 | 2015-09-30 | Display panel and LCD who uses this display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775579.9U CN204964952U (en) | 2015-09-30 | 2015-09-30 | Display panel and LCD who uses this display panel |
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| CN204964952U true CN204964952U (en) | 2016-01-13 |
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| CN201520775579.9U Active CN204964952U (en) | 2015-09-30 | 2015-09-30 | Display panel and LCD who uses this display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448611A (en) * | 2016-12-13 | 2017-02-22 | 深圳市国显科技有限公司 | Novel display capable of sharing mask and manufacturing process thereof |
| CN108962970A (en) * | 2018-08-31 | 2018-12-07 | 武汉华星光电技术有限公司 | Display module and electronic device |
| CN111856821A (en) * | 2020-07-01 | 2020-10-30 | 惠州市华星光电技术有限公司 | Display device and electronic apparatus |
-
2015
- 2015-09-30 CN CN201520775579.9U patent/CN204964952U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448611A (en) * | 2016-12-13 | 2017-02-22 | 深圳市国显科技有限公司 | Novel display capable of sharing mask and manufacturing process thereof |
| CN106448611B (en) * | 2016-12-13 | 2022-08-16 | 深圳市国显科技有限公司 | Novel display capable of sharing mask and manufacturing process thereof |
| CN108962970A (en) * | 2018-08-31 | 2018-12-07 | 武汉华星光电技术有限公司 | Display module and electronic device |
| WO2020042232A1 (en) * | 2018-08-31 | 2020-03-05 | 武汉华星光电技术有限公司 | Display module and electronic device |
| CN111856821A (en) * | 2020-07-01 | 2020-10-30 | 惠州市华星光电技术有限公司 | Display device and electronic apparatus |
| WO2022000694A1 (en) * | 2020-07-01 | 2022-01-06 | 惠州市华星光电技术有限公司 | Display apparatus and electronic device |
| US11906839B2 (en) | 2020-07-01 | 2024-02-20 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Display device and electronic equipment |
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