CN106773258A - Display panel, display device - Google Patents
Display panel, display device Download PDFInfo
- Publication number
- CN106773258A CN106773258A CN201710002376.XA CN201710002376A CN106773258A CN 106773258 A CN106773258 A CN 106773258A CN 201710002376 A CN201710002376 A CN 201710002376A CN 106773258 A CN106773258 A CN 106773258A
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- Prior art keywords
- color filter
- substrate
- filter film
- display panel
- area
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of display panel, display device, belongs to half-reflection and half-transmission formula display technology field, and the display panel preparation cost that it can at least partly solve existing half-reflection and half-transmission formula is high, and echo area and the poor problem of transmission area color saturation uniformity.Display panel of the invention includes the first substrate and second substrate to box, and including multiple pixels, each pixel is divided into transmission area and echo area, the transmission area of the first substrate and echo area are provided with the first color filter film, and the echo area of the second substrate is provided with reflecting layer towards first substrate side；And the thickness of the first color filter film in the echo area is d；The gross thickness of all color filter films is 2d in the transmission area of the display panel.
Description
Technical field
The invention belongs to half-reflection and half-transmission formula display technology field, and in particular to a kind of display panel, display device.
Background technology
Different according to light path, liquid crystal display can be divided into transmission-type, reflective, half-reflection and half-transmission formula.Transmission-type is using from the back of the body
The light source and light through liquid crystal display panel is shown, therefore display effect is good when ambient light is weaker.It is reflective using from going out
The ambient light that smooth surface is reflected back again after injecting is shown, therefore display effect is preferable when ambient light is stronger.Half-reflection and half-transmission formula
Then include transmission area and echo area in each pixel, so that transmission-type and reflective advantage can be combined, in various ambient lights
Under all reach good display effect.
As shown in figure 1, the liquid crystal display panel of half-reflection and half-transmission formula is included to the first substrate 1 (such as color membrane substrates) of box and the
Two substrates 2 (such as array base palte), first substrate 1 is provided with color filter film 3, for the light projected from each pixel to be filtered into institute
Need color；Second substrate 2 is provided with reflecting layer 4 in echo area 91, and incident light is reflected back.Obviously, such liquid crystal
Show in panel, the light of display, only once by color filter film 3, is then filtered by colored twice in transmission area 92 in echo area 91
Light film 3, this causes, and the degree filtered in Guang Liang areas is different, and color saturation is inconsistent, influences display effect.Therefore, can
Via 39 is set in the color filter film 3 of echo area 91, and allowing in echo area 91 has part light without color filter film 3, from
And the integral filter effect of echo area 91 is reduced to, the difference of elimination color saturation similar with transmission area 92.
But, the light ratio of different colours is different in ambient light, to reach identical filter effect, the colored filter of different colours
The via size of light film is also otherwise same, and this causes the colorized optical filtering membrane structure of different colours different, with different mask plate systems
Standby, process costs rise.Meanwhile, color, brightness of ambient light etc. be likely to change, even if therefore be provided with via, in many situations
Under can not well improve display effect.
The content of the invention
The display panel preparation cost that the present invention at least partly solves existing half-reflection and half-transmission formula is high, and echo area and transmission
The problem of area's color saturation uniformity difference, there is provided one kind can ensure echo area and transmission in the case where preparation cost is not increased
The consistent display panel of area's color saturation, display device.
The technical scheme that solution present invention problem is used is a kind of display panel, and it includes the first substrate to box
And second substrate, and including multiple pixels, each pixel is divided into transmission area and echo area, the transmission area of the first substrate and anti-
Penetrate area and be provided with the first color filter film, the echo area of the second substrate is provided with reflecting layer towards first substrate side；And
The thickness of the first color filter film in the echo area is d；
The gross thickness of all color filter films is 2d in the transmission area of the display panel.
Preferably, the thickness of the first color filter film is d in the transmission area；The transmission area of the second substrate and anti-
Penetrate area and be equipped with the second color filter film that thickness is d, and the second color filter film is than the reflecting layer further from first substrate.
It may further be preferable that second color filter film is located at second substrate away from first substrate side.
It may further be preferable that second color filter film is provided with protective layer away from first substrate side.
Preferably, the thickness of the first color filter film in the transmission area is 2d.
It may further be preferable that first color filter film located at first substrate towards second substrate side, described the
One color filter film is provided with planarization layer near second substrate side.
Preferably, the 3rd color filter film that thickness is d is provided with the transmission area.
It may further be preferable that the 3rd color filter film is on first substrate.
It may further be preferable that first color filter film is located at first substrate towards second substrate side；Described
Three color filter films are located at first substrate away from second substrate side.
It may further be preferable that the 3rd color filter film is provided with protective layer away from second substrate side.
The technical scheme that solution present invention problem is used is a kind of display device, and it includes：
Above-mentioned display panel.
In display panel of the present invention, the thickness of the color filter film by controlling echo area and transmission area can be in different face
In the pixel of color in the case of color filter film structure identical, make light actual in color filter film in echo area and transmission area
The distance of propagation is identical (being 2d), so as in the case where process costs (being not required to extra mask version) are not increased, protect well
Card echo area and transmission area have identical filter effect, improve the uniformity of color saturation in twoth area, improve display effect.
Brief description of the drawings
Fig. 1 is a kind of part section structural representation of existing display panel；
Fig. 2 is the part section structural representation of the first display panel of embodiments of the invention；
Fig. 3 is the part section structural representation of second display panel of embodiments of the invention；
Fig. 4 is the part section structural representation of the third display panel of embodiments of the invention；
Wherein, reference is：1st, first substrate；2nd, second substrate；3rd, color filter film；31st, the first color filter film；
32nd, the second color filter film；33rd, the 3rd color filter film；39th, via；4th, reflecting layer；5th, protective layer；6th, planarization layer；91、
Echo area；92nd, transmission area.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Embodiment 1：
As shown in Figures 2 to 4, the present embodiment provides a kind of display panel.
Specifically, the display panel is preferably the liquid crystal display panel of half-reflection and half-transmission formula, i.e., by liquid crystal layer to the inclined of light
Turn to realize display.In the liquid crystal display panel of half-reflection and half-transmission formula, light in echo area 91 twice by liquid crystal layer, and in transmission area
92, only once by liquid crystal layer, in order to reach identical deflection effect in twoth area, therefore generally will also be provided with echo area 91
Raised (structure of the lower section of reflecting layer 4 of echo area in figure), to reduce the thickness of the liquid crystal layer of echo area 91.
Certainly, the liquid crystal display panel can be ecb mode (electrically controlled birefringence mode), ADS pattern (advanced super dimension switch
Pattern), the arbitrary patterns such as VA patterns (being vertically arranged pattern).Or, display panel is alternatively other forms, is such as electric ink
Formula display panel etc., as long as it can realize reflecting and transmiting display simultaneously.
The display panel of the present embodiment includes the first substrate 1 and second substrate 2 to box, and including multiple pixels, each
Pixel is divided into transmission area 92 and echo area 91, and the transmission area 92 of first substrate 1 and echo area 91 are provided with the first color filter film 31,
The echo area 91 of second substrate 2 is provided with reflecting layer 4 towards the side of first substrate 1.
That is, display panel includes two mutually to the substrate of box, wherein first substrate 1 (such as color membrane substrates) is located at
Exiting surface side, second substrate 2 (such as array base palte) is located at opposite side.And the display panel is divided into the pixel of multiple colors, often
Individual pixel includes transmission area 92 and echo area 91, and transmission area 92 is shown using the light through display panel, and echo area
91 are shown using the light injected and be reflected back from exiting surface, to realize reflecting, therefore in the second base of echo area 91
Plate 2 is additionally provided with reflecting layer 4 (being such as located in projection) near the side of first substrate 1, the then areflexia layer in transmission area 92.
Wherein, first substrate 1 is equipped with (the certain coloured silk of the first color filter film 31 in the position of transmission area 92 and echo area 91
Color filter coating is color corresponding with pixel), first color filter film 31 thickness in echo area 91 is d, and echo area 91
In light can twice by the first color filter film 31, therefore it is in the color filter film (the first color filter film 31) of echo area 91
The distance of middle actual propagation is 2d.And in transmission area 92, the gross thickness of color filter film (can be the first color filter film 31
Thickness, or the first color filter film 31 and other color filter films thickness sum) be 2d, due to light in transmission area 92 only
Once by color filter film, therefore it is actual in the color filter film (at least including the first color filter film 31) of transmission area 92
The distance of propagation is also 2d.
So, in the case of color filter film thickness structure identical in the pixel of different colours, light is in echo area 91 and thoroughly
Penetrate in area 92 that the distance of actual propagation is identical in color filter film, so that (extra mask can be not required to process costs are not increased
Version) in the case of, ensure that echo area 91 and transmission area 92 have identical filter effect, improve color saturation in twoth area well
Uniformity, improve display effect.
Used as the first way of the present embodiment, the thickness of the first color filter film 31 is d in transmission area 92；Second substrate
2 transmission area 92 and echo area 91 are equipped with the second color filter film 32 that thickness is d, and the second color filter film 32 than reflection
Layer 4 is further from first substrate 1.
That is, as shown in Fig. 2 the thickness of the first color filter film 31 can be uniform, in transmission area 92 and anti-
Penetrate thickness in area 91 and be d.Meanwhile, it is the of d that thickness unification is also provided with the transmission area 92 of second substrate 2 and echo area 91
Two color filter films 32, and second color filter film 32 is than above reflecting layer 4 further from first substrate 1.
Thus, light sequentially passes through the second color filter film 32 and the first color filter film that gross thickness is 2d in transmission area 92
31；And in echo area 91, because the presence in reflecting layer 4, therefore light cannot be mapped at the second color filter film 32, therefore light is passed through twice
Cross the first color filter film 31 that thickness is d.Thus, light is actually passed in transmission area 92 and echo area 91 in color filter film
The distance broadcast is 2d, reaches identical filter effect.
The advantage of above form is also resided in, and the colorized optical filtering film thickness on first substrate 1 and second substrate 2 is uniform and structure
It is identical, therefore, the two can be prepared with same conventional mask version, and technique is the simplest.
Preferably, the second color filter film 32 is located at second substrate 2 away from the side of first substrate 1；It is furthermore preferred that second is color
Color filter coating 32 is provided with protective layer 5 away from the side of first substrate 1.
Typically, second substrate 2 is array base palte, and it is brilliant that its side of close first substrate 1 (inner side) there is provision of film
Other structures, if setting the second color filter film 32 in the side, are easily made by the structures such as body pipe array, pixel electrode, projection
Into influence.Therefore, can as shown in Fig. 2 by the second color filter film 32 located at second substrate 2 away from the side of first substrate 1 (outward
Side).Further, to prevent the second color filter film 32 outside from damaging, can also be re-formed with protective effect on the outside of it
Protective layer 5.Certainly, from from the point of view of being easy to prepare, protective layer 5 can cover whole second substrate 2.
Used as the second way of the present embodiment, the thickness of the first color filter film 31 in transmission area 92 is 2d.
That is, also can be as shown in figure 3, only including the first colorized optical filtering on first substrate 1 in display panel
Film 31, simply first color filter film 31 is different in diverse location thickness, and thickness is d in echo area 91, in transmission area 92
Middle thickness is 2d.Also light distance of actual propagation in color filter film in transmission area 92 and echo area 91 can so be
2d。
Specifically, the first different color filter film 31 of above thickness can be used gray level mask plate or intermediate tone mask version system
It is standby, you can different degrees of exposure is carried out to different zones, so that the first color filter film 31 of different zones after development
Thickness is different.
Preferably, the first color filter film 31 is located at first substrate 1 towards the side of second substrate 2, the first color filter film
31 are provided with planarization layer 6 near the side of second substrate 2.
Typically, the first conventional color filter film 31 is close to the side of second substrate 2 (inner side) located at first substrate 1.
And because the thickness of the now diverse location of the first color filter film 31 is different, therefore its surface and out-of-flatness, with segment difference, may be right
The influence of the generations such as thickness of liquid crystal layer.Therefore, planarization layer 6 (PLN) can be re-formed on the first color filter film 31, will wherein
Segment difference " floating ".Certainly, from from the point of view of being easy to prepare, the smoothization layer can also cover whole first substrate 1.
As the third mode of the present embodiment, the 3rd color filter film 33 that thickness is d is provided with transmission area 92.
That is, also can be as shown in figure 4, the extra thickness that sets be the 3rd color filter film 33 of d in transmission area 92.
Light distance of actual propagation in color filter film in transmission area 92 and echo area 91 so can be equally set to be 2d.
Preferably, the 3rd color filter film 33 is on first substrate 1.
Obviously, the 3rd color filter film 33 can be located on first substrate 1 or second substrate 2, but due to the first colored filter
Light film 31 is provided on first substrate 1, therefore it is preferred that as shown in figure 4, the 3rd color filter film is also set into concentration is located at the first base
Plate 1, to simplify the structure and preparation technology of product.
It is furthermore preferred that the first color filter film 31 is located at first substrate 1 towards the side of second substrate 2；3rd colorized optical filtering
Film 33 is located at first substrate 1 away from the side of second substrate 2；It is further preferred that the 3rd color filter film 33 is away from second substrate 2
Side is provided with protective layer 5.
As shown in figure 4, usual first color filter film 31 is provided at first substrate 1 towards the side of second substrate 2 (inner side)
, (it is equivalent to increase transmission like that in order to avoid the first color filter film 31 and the 3rd color filter film 33 are combined as a whole
The thickness of the color filter film 31 of area 92 first), therefore the 3rd color filter film 33 can be located at first substrate 1 away from second substrate 2
Side (outside).Further, in order to protect the 3rd color filter film 33 outside, its protective effect can be also set on the outside of it
Protective layer 5.Certainly, from from the point of view of being easy to prepare, the protective layer 5 can also cover whole first substrate 1.
It is listed above go out the part specific example of the display panel of the present embodiment, it is to be understood that, the present embodiment it is aobvious
Show the color filter film or other forms (such as position can not be equal) in panel, as long as it can guarantee that the first color filter film
31 in echo area 91 thickness be d, and in transmission area 92 color filter film gross thickness be 2d.
Embodiment 2：
The present embodiment provides a kind of display device, and it includes above-mentioned display panel.
Specifically, the display device can be Electronic Paper, mobile phone, panel computer, television set, display, notebook computer, number
Any product or part with display function such as code-phase frame, navigator.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary implementation for using
Mode, but the invention is not limited in this.For those skilled in the art, essence of the invention is not being departed from
In the case of god and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display panel, including to the first substrate and second substrate of box, and including multiple pixels, each pixel is divided into
Penetrate area and echo area, the transmission area of the first substrate and echo area are provided with the first color filter film, the second substrate it is anti-
Penetrate area and be provided with reflecting layer towards first substrate side；Characterized in that,
The thickness of the first color filter film in the echo area is d；
The gross thickness of all color filter films is 2d in the transmission area of the display panel.
2. display panel according to claim 1, it is characterised in that
The thickness of the first color filter film is d in the transmission area；
The transmission area of the second substrate and echo area are equipped with the second color filter film that thickness is d, and the second colorized optical filtering
Film is than the reflecting layer further from first substrate.
3. display panel according to claim 2, it is characterised in that
Second color filter film is located at second substrate away from first substrate side.
4. display panel according to claim 3, it is characterised in that
Second color filter film is provided with protective layer away from first substrate side.
5. display panel according to claim 1, it is characterised in that
The thickness of the first color filter film in the transmission area is 2d.
6. display panel according to claim 5, it is characterised in that
, located at first substrate towards second substrate side, first color filter film is near second for first color filter film
Substrate side is provided with planarization layer.
7. display panel according to claim 1, it is characterised in that
The 3rd color filter film that thickness is d is provided with the transmission area.
8. display panel according to claim 7, it is characterised in that
3rd color filter film is on first substrate.
9. display panel according to claim 8, it is characterised in that
First color filter film is located at first substrate towards second substrate side；
3rd color filter film is located at first substrate away from second substrate side；
3rd color filter film is provided with protective layer away from second substrate side.
10. a kind of display device, it is characterised in that including：
Display panel in claim 1 to 9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002376.XA CN106773258A (en) | 2017-01-03 | 2017-01-03 | Display panel, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002376.XA CN106773258A (en) | 2017-01-03 | 2017-01-03 | Display panel, display device |
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| CN106773258A true CN106773258A (en) | 2017-05-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710002376.XA Pending CN106773258A (en) | 2017-01-03 | 2017-01-03 | Display panel, display device |
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| CN113534520A (en) * | 2021-07-30 | 2021-10-22 | 惠科股份有限公司 | Double-sided display panel, display device and driving method |
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Application publication date: 20170531 |