CN109445164A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN109445164A CN109445164A CN201811159943.3A CN201811159943A CN109445164A CN 109445164 A CN109445164 A CN 109445164A CN 201811159943 A CN201811159943 A CN 201811159943A CN 109445164 A CN109445164 A CN 109445164A
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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
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application discloses a kind of display panel and display devices, wherein, in the display panel, optical film layer is additionally provided with away from array substrate side in color membrane substrates, the refractive index of the optical film layer is less than the refractive index in the area Cai Mo of the color membrane substrates, so that the light of the second sub-pixel outgoing is totally reflected at the contact surface of first color blocking and the optical film layer, and/or it is totally reflected the light of the first sub-pixel outgoing at the contact surface of second color blocking and the optical film layer, the case where to avoid the first sub-pixel and/or the second sub-pixel from being emitted from the color blocking of adjacent subpixels face, thereby reduce the color offset phenomenon for the image that display panel is shown.
Description
Technical field
This application involves field of display technology, more specifically to a kind of display panel and display device.
Background technique
With the continuous development of display technology, all kinds of display panels continue to bring out, and flexible display panels are bent with its
Characteristic becomes one of the type of user's favor.
Polaroid is the key that prevent ambient from entering inside display panel and be emitted and reduce display panel contrast
Device, the polaroid in display panel is mostly arranged on the light direction of color membrane substrates in plug-in form at present, such side
Face increases the thickness of display panel, and the rigidity of another aspect polaroid is stronger, realizes that bending function increases to display panel
Difficulty.Therefore, as shown in FIG. 1, FIG. 1 is the schematic diagram of the section structure of display panel, and the display panel in Fig. 1 will be traditional inclined
The filtering functions of mating plate are integrated in the colored color blocking 21 of color membrane substrates 20, (the arrow institute in figure as shown in Figure 1, external environmental light
Show) in the only light of specific wavelength could be by colored color blocking 21, to play the role of optical filtering.In fig. 1 it is shown that battle array
The first substrate 11 and the luminescence unit 12 on the first substrate 11 of column substrate 10, further it is shown that the second lining of color membrane substrates 20
Bottom 22 and positioned at the second substrate 22 towards the colored color blocking 21 and black matrix" 23 of 10 side of array substrate.But it is provided with color film
The image of the display panel of substrate still will appear the phenomenon that colour cast.
Summary of the invention
In order to solve the above technical problems, this application provides a kind of display panel and display device, to solve due to shining
Color offset phenomenon caused by unit is emitted from the colored color blocking of non-face.
To realize the above-mentioned technical purpose, the embodiment of the present application provides following technical solution:
A kind of display panel, comprising: the array substrate and color membrane substrates being oppositely arranged, and be located at the color membrane substrates and carry on the back
Optical film layer from the array substrate side；Wherein,
The array substrate includes being disposed adjacent and first sub-pixel and second sub-pixel that color is different；
The color membrane substrates include the area Cai Mo；The area Cai Mo includes multiple color blockings, and the color blocking includes being disposed adjacent
First color blocking and the second color blocking；Wherein, first color blocking and first sub-pixel are correspondingly arranged, second color blocking and institute
The second sub-pixel is stated to be correspondingly arranged；
The refractive index of the optical film layer is less than the refractive index in the area Cai Mo, for making the second sub-pixel outgoing
Light is totally reflected at the contact surface of first color blocking and the optical film layer, and/or for making the described first sub- picture
The light of element outgoing is totally reflected at the contact surface of second color blocking and the optical film layer.
A kind of display device, including the display panel as described in above-mentioned one.
It can be seen from the above technical proposal that the embodiment of the present application provides a kind of display panel and display device, wherein
In the display panel, optical film layer, the folding of the optical film layer are additionally provided with away from array substrate side in color membrane substrates
Penetrate rate less than the color membrane substrates the area Cai Mo refractive index so that the second sub-pixel outgoing light first color blocking with
It is totally reflected at the contact surface of the optical film layer, and/or makes the light of the first sub-pixel outgoing in second color
It resistance and is totally reflected at the contact surface of the optical film layer, to avoid the first sub-pixel and/or the second sub-pixel from adjacent
The case where color blocking outgoing of sub-pixel face, thereby reduce the color offset phenomenon for the image that display panel is shown.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that the colored color blocking of display panel in the prior art realizes the schematic diagram of filtering functions；
Fig. 2 is the path schematic diagram of the light of luminescence unit outgoing in display panel in the prior art；
Fig. 3 is a kind of the schematic diagram of the section structure of display panel provided by the embodiments of the present application；
Fig. 4 is the schematic diagram of the section structure of another display panel provided by the embodiments of the present application；
Fig. 5 is a kind of overlooking structure diagram of display panel provided by the embodiments of the present application；
Fig. 6 is the schematic diagram of the section structure of another display panel provided by the embodiments of the present application；
Fig. 7 is the schematic diagram of the section structure of another display panel provided by the embodiments of the present application；
Fig. 8 is the schematic diagram of the section structure of another display panel provided by the embodiments of the present application；
Fig. 9 is the schematic diagram of the section structure of another display panel provided by the embodiments of the present application；
Figure 10 is a kind of the schematic diagram of the section structure of optional display panel provided by the embodiments of the present application；
Figure 11 is the schematic diagram of the section structure of another optional display panel provided by the embodiments of the present application.
Specific embodiment
As described in background, display panel in the prior art there are problems that will appear color offset phenomenon.Inventor
The phenomenon why still will appear colour cast after the display panel for being provided with color membrane substrates is found after study.
With reference to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the schematic diagram of the section structure of display panel in the prior art, in Fig. 1 and figure
In display panel shown in 2, the luminescence unit 12 for being emitted different color light is provided in array substrate 10, ideally,
The light that luminescence unit 12 is emitted with the colored color blocking 21 of its face by being emitted.But in actual application, with reference to Fig. 2,
Adjacent light-emitting units 12 may be differed due to the wavelength of the light of outgoing it is smaller (such as the wavelength difference of green light and blue light compared with
It is small) so that the light for a certain color that luminescence unit 12 is emitted still may pass through 12 face of adjacent light-emitting units
Colored color blocking 21 is emitted, the phenomenon that colour cast occurs in this image that display panel can be made to show.
In view of this, the embodiment of the present application provides a kind of display panel, in the display panel, carried on the back in color membrane substrates
It is additionally provided with optical film layer from array substrate side, the refractive index of the optical film layer is less than the area Cai Mo of the color membrane substrates
Refractive index, so that the light of the second sub-pixel outgoing is all-trans at the contact surface of first color blocking and the optical film layer
It penetrates, and/or occurs that the light of the first sub-pixel outgoing at the contact surface of second color blocking and the optical film layer
Total reflection, thus the case where avoiding the first sub-pixel and/or the second sub-pixel from being emitted from the color blocking of adjacent subpixels face, in turn
Reduce the color offset phenomenon for the image that display panel is shown.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of display panel, as shown in figure 3, Fig. 3 is the cross-section structure of the display panel
Schematic diagram, wherein section perpendicular to plane where display panel, the coordinate system in Fig. 3 be with perpendicular to array substrate surface,
And being directed toward color membrane substrates is the right-handed coordinate system that Z axis forward direction is established, then in the coordinate system, plane and array base where XY axis
The surface of plate is parallel, and the positive vertical paper of Y-axis inwards, does not indicate in Fig. 3.The display panel includes: to be oppositely arranged
Array substrate 100 and color membrane substrates 200, and positioned at the color membrane substrates 200 away from 100 side of array substrate
Optical film layer 300；Wherein, the array substrate 100 includes being disposed adjacent and the first sub-pixel 121 and second that color is different
Sub-pixel 122；
Optionally, pixel is the imaging unit of display panel, and image is presented needed for display panel for rendering for each pixel
A part, the pixel quantity that display panel includes determines the resolution ratio of display panel.Optionally, in some display panels
In, pixel includes that multiple sub-pixels for being emitted different colours are constituted, as shown in figure 3, these sub-pixels can be the first son
Pixel 121 and the second sub-pixel 121.
The color membrane substrates 200 include the area Cai Mo；The area Cai Mo includes multiple color blockings, in the X direction, the color blocking packet
Include the first color blocking and the second color blocking being disposed adjacent；Wherein, first color blocking 211 and first sub-pixel 121 correspondence are set
It sets, second color blocking 212 is correspondingly arranged with second sub-pixel 122；In order to avoid the light of sub-pixel outgoing occurs to mix
Color, optionally, referring still to Fig. 3, first sub-pixel and second sub-pixel are disposed adjacent in the X direction, and between have it is certain
Interval；Correspondingly, and corresponding first color blocking of the first sub-pixel and the second color blocking corresponding with the second sub-pixel also phase each other
Neighbour's setting, but have certain interval each other, for the interval between color blocking for light-blocking pattern to be arranged, which can be with
It is black matrix layer 230 shown in Fig. 3.
The refractive index of the optical film layer 300 is less than the refractive index in the area Cai Mo, for making second sub-pixel 122
The light of outgoing is totally reflected at the contact surface of first color blocking 211 and the optical film layer 300, and/or for making
The light that first sub-pixel 121 is emitted occurs at the contact surface of second color blocking 212 and the optical film layer 300
Total reflection.
In the present embodiment, the first substrate of first sub-pixel 121 and the second sub-pixel 122 in array substrate 100
On be disposed adjacent, the color difference of first sub-pixel 121 and the second sub-pixel 122 refers to the first sub-pixel 121 and
The color of the light of two sub-pixels 122 outgoing is different.
First color blocking 211 and the first sub-pixel 121, which are correspondingly arranged, refers to the throwing of the first color blocking 211 on the first substrate
Shadow at least partly covers first sub-pixel 121, optionally, first color blocking 211 and 121 face of the first sub-pixel
Setting, i.e., orthographic projection of the geometric center of described first color blocking 211 on first substrate and first sub-pixel 121
Geometric center is overlapped.
Refer to the second color blocking 212 in the second lining likewise, second color blocking 212 and the second sub-pixel 122 are correspondingly arranged
Projection on bottom at least partly covers second sub-pixel 122, optionally, second color blocking 212 and the described second sub- picture
Plain 122 faces setting, i.e., orthographic projection of the geometric center of described second color blocking 212 on second substrate and second son
The geometric center of pixel 122 is overlapped.
In Fig. 3, in addition to the first color blocking 211 and the second color blocking 212, further it is shown that the first color blocking 211 of carrying and the second color
Second substrate 220 of resistance 212.
Referring still to Fig. 3, the path schematic diagram of the light of the first sub-pixel 121 outgoing is shown in Fig. 3, in Fig. 3, by
In the outgoing of the first sub-pixel 121 light second color blocking 212 and the contact surface of the optical film layer 300 incidence angle
It is larger, therefore, the light that first sub-pixel 121 can be made to be emitted by the way that the refractive index of the optical film layer 300 is arranged
It is totally reflected at the contact surface of second color blocking 212 and the optical film layer 300；And first sub-pixel 121 from
The light being emitted in first color blocking 211 is since the incident angle on optical film layer 300 is smaller, by the way that the optical film layer is arranged
300 refractive index can make the incident angle be less than the critical angle of total reflection, therefore can normally be emitted, and from the second color
The light being emitted in resistance 212 has been more than the critical angle of total reflection since incident angle is larger, therefore by the optical film layer
300 total reflections, avoid the case where light that the first sub-pixel 121 is emitted is emitted from the second color blocking 212.
Likewise, when the optical film layer 300 is used to make the light of the outgoing of the second sub-pixel 122 in first color
When being totally reflected at resistance 211 and the contact surface of the optical film layer 300, second sub-pixel 122 is from the second color blocking 212
The light of outgoing is not greater than the critical angle of total reflection due to the incident angle on optical film layer 300, can be normal
Outgoing, and the light being emitted from the first color blocking 211 is since incident angle is larger, has been more than the critical angle of total reflection, therefore
It is totally reflected by the optical film layer 300, avoids the feelings that the light of the second sub-pixel 122 outgoing is emitted from the first color blocking 211
Condition.
The optical film layer 300 can only have the light for being emitted second sub-pixel 122 in first color blocking
211 with the function that is totally reflected at the contact surface of the optical film layer 300, or make the light of the outgoing of the first sub-pixel 121
The function that line is totally reflected at the contact surface of second color blocking 212 and the optical film layer 300；Can also have simultaneously
The light for being emitted second sub-pixel 122 occurs at the contact surface of first color blocking 211 and the optical film layer 300
The function of total reflection, and the light for being emitted first sub-pixel 121 is in second color blocking 212 and the optical film layer
The function being totally reflected at 300 contact surface.
When the optical film layer 300 has the light for being emitted second sub-pixel 122 in first color blocking simultaneously
211 with the function that is totally reflected at the contact surface of the optical film layer 300, and make the outgoing of the first sub-pixel 121
It, can be with maximum journey when the function that light is totally reflected at the contact surface of second color blocking 212 and the optical film layer 300
The possibility that the light of sub-pixel outgoing is emitted from the corresponding color blocking of adjacent subpixels is reduced on degree.
When the wavelength phase for the light that the wavelength of the light of first sub-pixel 121 outgoing is emitted with the second sub-pixel 122
When difference is smaller, it is easier to the light of the first sub-pixel 121 outgoing occur from corresponding second color blocking 212 of the second sub-pixel 122
The case where light of outgoing or the outgoing of the second sub-pixel 122 is emitted from corresponding first color blocking 211 of the first sub-pixel 121, and
Due to the presence of the optical film layer 300, the light of the second sub-pixel 122 being emitted from the first color blocking 211 generation can be made
It is totally reflected, and/or the light for generating the first sub-pixel 121 being emitted from the second color blocking 212 is totally reflected, thus
The case where avoiding the first sub-pixel 121 and/or the second sub-pixel 122 from being emitted from the color blocking of adjacent subpixels face, and then reduce
The color offset phenomenon for the image that display panel is shown.
It should be noted that the refractive index that the refractive index of the optical film layer 300 is less than the area Cai Mo is from the area Cai Mo
The necessary condition that the light of middle outgoing can be totally reflected on the contact surface in optical film layer 300 Yu the area Cai Mo, and work as light
When the refractive index of the refractive index and the area Cai Mo of learning film layer 300 is bigger, in the case where identical incident angle, light it is easier
It is totally reflected on the contact surface of the area Cai Mo and optical film layer 300.
It on the basis of the above embodiments, is one of the application with reference to Fig. 4, Fig. 4 in one embodiment of the application
The schematic diagram of the section structure for the display panel that embodiment provides, the color blocking further include: third color blocking 213；
The array substrate 100 further includes multiple third sub-pixels 123, the third color blocking 213 and the third picture
Element 123 is correspondingly arranged；First sub-pixel 121, the second sub-pixel 122 and third sub-pixel 123 constitute display pixel, more
A display pixel array arrangement in array substrate 100；
The color membrane substrates 200 further include black matrix layer 230；The multiple regions that the black matrix layer 230 defines are set respectively
Set first color blocking 211, second color blocking 212 and the third color blocking 213；
The light that the optical film layer 300 is also used to make second sub-pixel 122 to be emitted the third color blocking 213 with
It is totally reflected at the contact surface of the optical film layer 300, and/or the light for being also used to be emitted first sub-pixel 121
It is totally reflected at the contact surface of the third color blocking 213 and the optical film layer 300, and/or is also used to make the third
The light that sub-pixel 123 is emitted is at the contact surface of first color blocking 211 or the second color blocking 212 and the optical film layer 300
It is totally reflected.
Under normal circumstances, usually there are three sub-pixels in a display panel, be respectively used to three kinds of reference lights of outgoing,
Such as feux rouges, green light and blue light.Optionally, in one embodiment of the application, first sub-pixel 121, the second sub- picture
Element 122 and third sub-pixel 123 are respectively used to outgoing feux rouges, green light and blue light, i.e. the first sub-pixel 121 is used to be emitted feux rouges,
Second sub-pixel 122 is for being emitted green light, and third sub-pixel 123 is for being emitted blue light.Certainly in the other embodiments of the application
In, it is also possible to the first sub-pixel 121 for being emitted feux rouges, the second sub-pixel 122 is for being emitted blue light, third sub-pixel 123
For being emitted green light；Or first sub-pixel 121 for being emitted green light, the second sub-pixel 122 is for being emitted blue light, third sub- picture
Element 123 is for being emitted feux rouges；Or first sub-pixel 121 for being emitted green light, the second sub-pixel 122 is for being emitted feux rouges, the
Three sub-pixels 123 are for being emitted blue light；Or first sub-pixel 121 for being emitted blue light, the second sub-pixel 122 is green for being emitted
Light, third sub-pixel 123 is for being emitted feux rouges；Or first sub-pixel 121 for being emitted blue light, the second sub-pixel 122 is used for
It is emitted feux rouges, third sub-pixel 123 is for being emitted green light.The application to this and without limitation, specifically depending on actual conditions.
Likewise, third color blocking 213 corresponding with the third sub-pixel 123 refers to third color blocking 213 in the first substrate
On orthographic projection at least partly cover the third sub-pixel 123, optionally, in the embodiment shown in fig. 4, third
Pixel 123 and 213 face of third color blocking are arranged, i.e. orthographic projection of the geometric center of third color blocking 213 on first substrate
It is overlapped with the geometric center of third sub-pixel 123.
In the present embodiment, compared to display panel shown in Fig. 3, multiple third sub-pixels 123 and third color blocking 213,
The light of so the first sub-pixel 121 outgoing may also be from the corresponding third color of third sub-pixel 123 in adjacent display pixels
It is emitted in resistance 213, the light of the second sub-pixel 122 outgoing may also be corresponding from the third sub-pixel 123 in same display pixel
Third color blocking 213 in be emitted；Correspondingly, the light that third sub-pixel 123 is emitted may be from second in same display pixel
It is emitted in corresponding second color blocking 212 of sub-pixel 122, or from the first sub-pixel 121 corresponding first in adjacent display pixels
It is emitted in color blocking 211, therefore, in order to reduce a possibility that above situation occurs, the optical film layer 300 is also used to make described the
The light of two sub-pixels 122 outgoing is totally reflected at the contact surface of the third color blocking 213 and the optical film layer 300,
And/or the light for being also used to be emitted first sub-pixel 121 is in the third color blocking 213 and the optical film layer 300
It is totally reflected at contact surface, and/or the light for being also used to be emitted the third sub-pixel 123 is in first color blocking 211
Or second be totally reflected at color blocking 212 and the contact surface of the optical film layer 300.
Optionally, the optical film layer 300 is simultaneously for making the light of the outgoing of the second sub-pixel 122 in the third
Total reflection occurs at the contact surface of color blocking 213 and the optical film layer 300, the light of the outgoing of the first sub-pixel 121 is made to exist
Total reflection occurs at the third color blocking 213 and the contact surface of the optical film layer 300 and is emitted the third sub-pixel 123
Light be totally reflected at the contact surface of first color blocking 211 or the second color blocking 212 and the optical film layer 300, with
The possibility that the light of the reduction sub-pixel outgoing of maximum possible is emitted from the corresponding color blocking of adjacent subpixels.
The overlooking structure diagram of array substrate is shown with reference to Fig. 5 and Fig. 6, Fig. 5, Fig. 6 gives a kind of feasible battle array
The cross-section structure of column substrate, the array substrate include:
First substrate 110；
It is set positioned at first substrate 110 towards the thin film transistor (TFT) array 130 of the color membrane substrates side and intersection
The grid line 112 and data line 111 set；
Positioned at the thin film transistor (TFT) array 130 away from 110 side of the first substrate pixel defining layer 150 and
The luminescence unit that the open region of the pixel defining layer 150 limits, the luminescence unit shine including the first luminescence unit, second
Unit and third luminescence unit；The thin film transistor (TFT) array 130 constitutes multiple electric with the one-to-one pixel of luminescence unit
Road, the luminescence unit are electrically connected with the pixel circuit, 111 electricity of the pixel circuit and the grid line 112 and data line
Connection, under the control of the grid line 112, gives its corresponding luminous list for the data signal transmission that data line 111 transmits
Member；
First luminescence unit forms first sub-pixel 121；
Second luminescence unit forms second sub-pixel 122；
The third luminescence unit forms the third sub-pixel 123.
The specific structure of luminescence unit is shown in FIG. 6, optionally, the luminescence unit is Organic Light Emitting Diode,
First luminescence unit includes anode 1211, the first luminescent layer 1212 and cathode layer 1215；Second luminescence unit include anode 1211,
Second luminescent layer 1213 and cathode layer 1215.The third luminescence unit includes anode 1211, third luminescent layer 1214 and cathode
Layer 1215.In addition, other than grid line 112 and data line 111, further it is shown that be located at grid line 112 and data line 111 limits
Display pixel LA in region connects the first grid driving circuit and second grid driving circuit of grid line 112, and connection
The data drive circuit of data line 111.In structure shown in Fig. 5, the array substrate is the gate driving side of cross-drive
Formula, in the other embodiments of the application, the gate driving mode of the array substrate can also be unilateral driving or bilateral drive
It moves, the application is to this and without limitation.
In Fig. 6, further it is shown that deviate from the planarization layer of 110 side of the first substrate positioned at thin film transistor (TFT) array 130
140, be located at planarization layer 140 deviate from 110 side of the first substrate, and with the one-to-one anode 1211 of luminescence unit, pixel is fixed
Adopted layer 150 is located at the side that anode 1211 deviates from the first substrate 110, and the pixel defining layer opening including exposure anode 1211,
Luminescent layer (such as organic luminous layer) is located at pixel defining layer 150 and deviates from the side of the first substrate, and is opened by pixel defining layer
Mouth and positive contact, and positioned at luminescent layer away from the cathode layer 1215 of 110 side of the first substrate, the first luminescence unit, second
Luminescence unit and third luminescence unit constitute a display pixel LA.The anode 1211 of the display pixel LA passes through described flat
Via hole (being not shown in Fig. 6) in smoothization layer 140 is electrically connected with pixel circuit.The planarization layer 140 is used to be display pixel
The formation of LA provides smooth plane.
Optionally, the edge of the sub-pixel of the present embodiment meaning refers to the edge of luminescence unit.
Optionally, by 150 limited opening of pixel defining layer, i.e. luminescent layer is located at picture on the boundary of luminescence unit in the present embodiment
In the plain opening of definition layer 150, therefore the edge that edge, that is, pixel defining layer 150 of sub-pixel is open.
Following some embodiments are defined the specific value of the refractive index of the optical film layer 300, referring still to
Fig. 6, in the first section, projection of the black matrix layer 230 on first substrate 110 covers the adjacent open region side
Pixel defining layer 150 between edge and open region, first section is perpendicular to plane, the optics where the display panel
The value range of the refractive index of film layer 300 meets the first preset formula；
First preset formula are as follows: n1< n < n2；
Wherein, n indicates the refractive index of the optical film layer 300, n1=n0×sin(90°-θ1), n2=n0×sin(90°-
θ2), n0For the refractive index in the area Cai Mo； T indicates described black
The distance between matrix layer 230 and the pixel defining layer 150；H indicates the thickness of the black matrix layer 230；B indicates adjacent institute
State the distance between open region；A indicates the distance between adjacent color blocking.
In Fig. 6, first section is parallel to paper, since the black matrix layer 230 is on first substrate 110
The adjacent opening area edge of projection covering and open region between pixel defining layer 150, therefore the width of each luminescence unit
Spend the width that (width of the open region) is greater than color blocking corresponding with the luminescence unit.
Work as light from the definition being totally reflected it is found that when light is from optically denser medium to when optically thinner medium incidence referring still to Fig. 6
The case where incidence angle of line is greater than a critical value, that is, the angle that will appear the angle of emergence is 90 °, this critical value, referred to as entirely
Reflect critical angle, in Fig. 6,90 ° of-θ1For the maximum incident angle degree of the corresponding color blocking of a certain luminescence unit emergent ray,
We need to guarantee that light will not be totally reflected in this incident angle, that is, can guarantee the light of a certain luminescence unit outgoing
It can be emitted from corresponding color blocking, this is because this luminescence unit others light is in the color blocking and optical film layer
Incidence angle on 300 contact surface is respectively less than 90 ° of-θ1, then 90 ° of-θ of this critical angle have been determined1In the case where, Wo Menke
It is equal to 90 ° of-θ in incidence angle to calculate to obtain1When, the refractive index for the optical film layer 300 that can be totally reflected just:To obtain the critical refractive index n1=n0×sin(90°-θ1), then we
As long as guaranteeing that the refractive index of optical film layer 300 is greater than n1, that is, can guarantee the corresponding color blocking of a certain luminescence unit emergent ray
Maximum incident angle degree will not all be totally reflected, it can guarantee luminescence unit outgoing light from corresponding color blocking
When outgoing, it will not be totally reflected by optical film layer 300；
Likewise, 90 ° of-θ2Indicate the light of a certain luminescence unit outgoing corresponding color blocking of luminescence unit adjacent thereto
Minimum incident angle, it would be desirable to guarantee that light is totally reflected just in this incident angle, that is, can guarantee a certain shine
The light of unit outgoing is all totally reflected when can be emitted from the corresponding color blocking of luminescence unit adjacent thereto, this is because
Incidence angle of this luminescence unit others light on the contact surface of the color blocking and optical film layer 300 is all larger than 90 ° of-θ2, that
90 ° of-θ of this critical angle are being determined2In the case where, we can calculate acquisition and be equal to 90 ° of-θ in incidence angle2, just can
The refractive index for the optical film layer 300 being totally reflected:To obtain the critical folding
Penetrate rate n2=n0×sin(90°-θ2), as long as then we guarantee that the refractive index of optical film layer 300 is less than n2, that is, can guarantee certain
The light of one luminescence unit outgoing can occur on the contact surface of the corresponding color blocking of adjacent light-emitting units and optical film layer 300
Total reflection.
Therefore, in structure shown in Fig. 6, when the refractive index of optical film layer 300 meets the first preset formula, Ke Yibao
When demonstrate,proving the first luminescence unit, the second luminescence unit and third luminescence unit and being emitted from the adjacent corresponding color blocking of luminescence unit,
It can be totally reflected on the contact surface in the area optical film layer 300 and Cai Mo, the display picture of display panel is avoided color occur
Inclined phenomenon, and can guarantee the first luminescence unit, the second luminescence unit and third luminescence unit outgoing light from respectively it is right
When being emitted in the color blocking answered, it will not be totally reflected by optical film layer 300.
With reference to Fig. 7, Fig. 7 is the schematic diagram of the section structure of the display panel, in display panel shown in Fig. 7, the
In one section, the black matrix layer 230 is in pixel of the projection between the adjacent open region on first substrate 110
On 150 surface of definition layer, first section is perpendicular to plane, the refraction of the optical film layer 300 where the display panel
The value range of rate meets the second preset formula；
Second preset formula are as follows: n3< n < n4；
Wherein, n indicates the refractive index of the optical film layer 300, n3=n0×sin(90°-θ3), n4=n0×sin(90°-
θ4), n0For the refractive index in the area Cai Mo； T indicates the black square
Battle array the distance between layer 230 and the pixel defining layer 150；H indicates the thickness of the black matrix layer 230；B indicates adjacent institute
State the distance between open region；A indicates the distance between adjacent color blocking.
In Fig. 7, first section is parallel to paper, since the black matrix layer 230 is on first substrate 110
Projection on 150 surface of pixel defining layer between the adjacent open region, therefore the width of each luminescence unit is (described
The width of open region) it is less than the width of color blocking corresponding with the luminescence unit.
Concrete principle is similar with display panel shown in fig. 6, in the structure shown in figure 7, when the refraction of optical film layer 300
When rate meets the first preset formula, it is ensured that the first luminescence unit, the second luminescence unit and third luminescence unit are from adjacent
When being emitted in the corresponding color blocking of luminescence unit, it can be totally reflected, keep away on the contact surface in the area optical film layer 300 and Cai Mo
There is color offset phenomenon in the display picture for exempting from display panel, and can guarantee the first luminescence unit, the second luminescence unit and third
When the light of luminescence unit outgoing is emitted from corresponding color blocking, it will not be totally reflected by optical film layer 300.
With reference to Fig. 8, Fig. 8 is the schematic diagram of the section structure of the display panel, in display panel shown in Fig. 8, the
In one section, the black matrix layer 230 is fixed in the projection on first substrate 110 and the pixel between the adjacent open region
The surface of adopted layer 150 is overlapped, and first section is perpendicular to plane, the folding of the optical film layer 300 where the display panel
The value range for penetrating rate meets third preset formula；
The third preset formula are as follows: n5< n < n6；
Wherein, n indicates the refractive index of the optical film layer 300, n5=n0×sin(90°-θ5), n6=n0×sin(90°-
θ6), n0For the refractive index in the area Cai Mo；T indicates the black matrix layer 230
The distance between described pixel defining layer 150；H indicates the thickness of the black matrix layer 230；B indicates the adjacent open region
The distance between.
In fig. 8, the black matrix layer 230 is in the projection on first substrate 110 and between the adjacent open region
Pixel defining layer 150 surface be overlapped, therefore the width (width of the open region) of each luminescence unit be equal to and the hair
The width of the corresponding color blocking of light unit.
Concrete principle is similar with display panel shown in fig. 6, in the configuration shown in fig. 8, when the refraction of optical film layer 300
When rate meets the first preset formula, it is ensured that the first luminescence unit, the second luminescence unit and third luminescence unit are from adjacent
When being emitted in the corresponding color blocking of luminescence unit, it can be totally reflected, keep away on the contact surface in the area optical film layer 300 and Cai Mo
There is color offset phenomenon in the display picture for exempting from display panel, and can guarantee the first luminescence unit, the second luminescence unit and third
When the light of luminescence unit outgoing is emitted from corresponding color blocking, it will not be totally reflected by optical film layer 300.
In order to reduce reflection of the light being totally reflected by optical film layer 300 in display panel, in the reality of the application
It applies in example, the pixel defining layer 150 is formed by predetermined material；
The light transmittance of the predetermined material is less than or equal to preset value；
The value of the preset value is less than or equal to 5%.
In the present embodiment, when the pixel defining layer 150 is formed by the lesser predetermined material of light transmittance, by optical film
The light of 300 total reflection of layer is most of to be absorbed by pixel defining layer 150 when being reflected into pixel defining layer 150, to avoid this
A little light occur the case where multiple reflections in array substrate.Especially the present embodiment is it is considered that be totally reflected by optical film layer 300
Light will be absorbed before being again reflected, and avoid these light after pixel defining layer 150 again secondary reflection as far as possible
The risk being emitted from display panel is just absorbed these light by pixel defining layer 150 from reflective stage again.
And the present embodiment does not have to when solving the problems, such as light multiple reflections between pixel defining layer 150 and color membrane substrates
Additionally increase other film layers between pixel defining layer 150 and color membrane substrates, is increased without pixel defining layer 150 and color membrane substrates
The distance between, it can make to maintain a relatively small distance between pixel defining layer 150 and color membrane substrates, send out in this way
Light unit can just be emitted to adjacent thereto to the light that larger angle (referring to and the vertical angle with display panel direction) is emitted
Luminescence unit corresponds to color blocking, and the light that one side luminescence unit is emitted towards wide-angle is relatively fewer, can reduce to a certain extent into
It is mapped to other luminescence units and corresponds to color blocking, on the other hand, the light of luminescence unit is incident on the corresponding color blocking of other luminescence unit
Incidence angle is incident on the incidence angle (light that luminescence unit issues of the corresponding color blocking of their own compared to the light that the luminescence unit is emitted
Can approximation regard as impinge perpendicularly on the corresponding color blocking of their own) have a biggish difference, can to avoid accidentally will not need by
The light of total reflection is also intercepted can not be emitted inside display panel.
So through this embodiment, will not only reduce the aperture opening ratio of display panel, but also can be to avoid extra in display panel
Light cause the risk of light leakage.Meanwhile without additionally increasing other shadings or extinction film layer, display panel entirety not will increase also
Thickness.
Optionally, the predetermined material is chromium oxide or chromium or black resin, and the color of these materials is deeper, is had higher
Absorptance and lesser light transmittance, can satisfy the absorption requirement to the light being reflected into thereon.
For the purposes of reducing reflection of the light being totally reflected by optical film layer 300 in display panel, in the another of the application
In one embodiment, as shown in figure 9, Fig. 9 is the schematic diagram of the section structure of display panel, the pixel defining layer 150 further includes
Positioned at non-open region, and it is located at extinction sublayer 151 of the pixel defining layer 150 far from 110 side of the first substrate；Inhale
Photon sphere 151 is not overlapped with open region, and will not influence luminescence unit normally goes out light；
The extinction sublayer 151 is formed by predetermined material；
The light transmittance of the predetermined material is less than or equal to preset value；
The value of the preset value is less than or equal to 5%.
In the present embodiment, the extinction sublayer 151 is formed by the lesser predetermined material of light transmittance, by optical film layer 300
The light of total reflection is most of to be absorbed by extinction sublayer 151 when being reflected into extinction sublayer 151, exists to avoid these light
Occur the case where multiple reflections in array substrate.
On the basis of the above embodiments, in another embodiment of the application, as shown in Figure 10, Figure 10 is display surface
The schematic diagram of the section structure of plate, the display panel further include:
Positioned at the array substrate towards thin-film package (the Thin Film of the color membrane substrates side
Encapsulation, TFE) layer 160.Thin-film encapsulation layer 160 mainly includes three-decker, close to the first nothing of the first substrate 110
Machine packaging film, the organic packages film positioned at the first inorganic encapsulated film far from 110 side of the first substrate are located at organic packages
Second inorganic encapsulated film of the film far from 110 side of the first substrate.Thin-film encapsulation layer 160 has bent characteristic, and
Good waterproof and dampproof performance can be provided for each device in array substrate.
When display panel needs to realize touch function, as shown in figure 11, Figure 11 is that the cross-section structure of display panel is illustrated
Figure, the display panel further include: positioned at the thin-film encapsulation layer 180 towards the touch control electrode layer of the color membrane substrates side
170。
The mode between thin-film encapsulation layer 160 and color membrane substrates is arranged in touch control electrode layer 170, outside traditional
Hanging touch module can reduce the thickness of display panel, and can cooperate the first substrate 110 flexible and thin-film encapsulation layer
Realize bent function.
The optical adhesive layer PA for being bonded array substrate and color membrane substrates is also shown in Figure 11.
Correspondingly, the embodiment of the present application also provides a kind of display device, including aobvious as described in above-mentioned any embodiment
Show panel.
In conclusion the embodiment of the present application provides a kind of display panel and display device, wherein in the display panel
In, it is additionally provided with optical film layer away from array substrate side in color membrane substrates, the refractive index of the optical film layer is less than the coloured silk
The refractive index in the area Cai Mo of ilm substrate, so that the light of the second sub-pixel outgoing is in first color blocking and the optical film layer
It is totally reflected at contact surface, and/or makes the light of the first sub-pixel outgoing in second color blocking and the optical film
It is totally reflected at the contact surface of layer, to avoid the color of the first sub-pixel and/or the second sub-pixel from adjacent subpixels face
The case where resistance outgoing, thereby reduce the color offset phenomenon for the image that display panel is shown.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (13)
1. a kind of display panel characterized by comprising the array substrate and color membrane substrates being oppositely arranged, and be located at described
Color membrane substrates deviate from the optical film layer of the array substrate side；Wherein,
The array substrate includes being disposed adjacent and first sub-pixel and second sub-pixel that color is different；
The color membrane substrates include the area Cai Mo；The area Cai Mo includes multiple color blockings, and the color blocking includes first be disposed adjacent
Color blocking and the second color blocking；Wherein, first color blocking and first sub-pixel are correspondingly arranged, second color blocking and described the
Two sub-pixels are correspondingly arranged；
The refractive index of the optical film layer is less than the refractive index in the area Cai Mo, for making the light of the second sub-pixel outgoing
It is totally reflected at the contact surface of first color blocking and the optical film layer, and/or for going out first sub-pixel
The light penetrated is totally reflected at the contact surface of second color blocking and the optical film layer.
2. display panel according to claim 1, which is characterized in that the color blocking further includes third color blocking；
The array substrate further includes multiple third sub-pixels, and the third color blocking is correspondingly arranged with the third sub-pixel；
The optical film layer is also used to make the light of the second sub-pixel outgoing in the third color blocking and the optical film layer
Contact surface at be totally reflected, and/or be also used to make the light of the first sub-pixel outgoing in the third color blocking and institute
It states and is totally reflected at the contact surface of optical film layer, and/or be also used to make the light of the third sub-pixel outgoing described the
It is totally reflected at one color blocking or the second color blocking and the contact surface of the optical film layer.
3. display panel according to claim 1, which is characterized in that the color membrane substrates further include black matrix layer；It is described
The color blocking of different colours is respectively set in the multiple regions that black matrix layer defines.
4. display panel according to claim 3, which is characterized in that the array substrate includes:
First substrate；
Positioned at first substrate towards the thin film transistor (TFT) array of the color membrane substrates side；
Deviate from the pixel defining layer and the pixel defining layer of first one side of substrate positioned at the thin film transistor (TFT) array
The luminescence unit that limits of open region, the luminescence unit include the first luminescence unit, the second luminescence unit and third shine it is single
Member；
First luminescence unit forms first sub-pixel；
Second luminescence unit forms second sub-pixel；
The third luminescence unit forms the third sub-pixel.
5. display panel according to claim 4, which is characterized in that in the first section, the black matrix layer is described
The adjacent opening area edge of projection covering on first substrate and the pixel defining layer between open region, first section is hung down
The value range of the directly plane where the display panel, the refractive index of the optical film layer meets the first preset formula；
First preset formula are as follows: n1< n < n2；
Wherein, n indicates the refractive index of the optical film layer, n1=n0×sin(90°-θ1), n2=n0×sin(90°-θ2), n0For
The refractive index in the area Cai Mo； T indicate the black matrix layer with
The distance between described pixel defining layer；H indicates the thickness of the black matrix layer；B indicate between the adjacent open region away from
From；A indicates the distance between adjacent color blocking.
6. display panel according to claim 4, which is characterized in that in the first section, the black matrix layer is described
Projection on first substrate is in the pixel definition layer surface between the adjacent open region, and first section is perpendicular to institute
The value range of plane where stating display panel, the refractive index of the optical film layer meets the second preset formula；
Second preset formula are as follows: n3< n < n4；
Wherein, n indicates the refractive index of the optical film layer, n3=n0×sin(90°-θ3), n4=n0×sin(90°-θ4), n0For
The refractive index in the area Cai Mo； T indicates the black matrix layer and institute
State the distance between pixel defining layer；H indicates the thickness of the black matrix layer；B indicates the distance between adjacent described open region；
A indicates the distance between adjacent color blocking.
7. display panel according to claim 4, which is characterized in that in the first section, the black matrix layer is described
Projection on first substrate is overlapped with the surface of the pixel defining layer between the adjacent open region, first section perpendicular to
Plane where the display panel, the value range of the refractive index of the optical film layer meet third preset formula；
The third preset formula are as follows: n5< n < n6；
Wherein, n indicates the refractive index of the optical film layer, n5=n0×sin(90°-θ5), n6=n0×sin(90°-θ6), n0For
The refractive index in the area Cai Mo；T indicates that the black matrix layer and the pixel are fixed
The distance between adopted layer；H indicates the thickness of the black matrix layer；B indicates the distance between adjacent described open region.
8. display panel according to claim 4, which is characterized in that the pixel defining layer is formed by predetermined material；
The light transmittance of the predetermined material is less than or equal to preset value；
The value of the preset value is less than or equal to 5%.
9. display panel according to claim 8, which is characterized in that the predetermined material is chromium oxide or chromium or black tree
Rouge.
10. display panel according to claim 4, which is characterized in that the pixel defining layer further includes being located at non-opening
Area and be located at extinction sublayer of the pixel defining layer far from first one side of substrate；
The extinction sublayer is formed by predetermined material；
The light transmittance of the predetermined material is less than or equal to preset value；
The value of the preset value is less than or equal to 5%.
11. display panel according to claim 1, which is characterized in that further include:
Positioned at the array substrate towards the thin-film encapsulation layer of the color membrane substrates side.
12. display panel according to claim 11, which is characterized in that further include:
Positioned at the thin-film encapsulation layer towards the touch control electrode layer of the color membrane substrates side.
13. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-12.
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