CN110262102A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN110262102A CN110262102A CN201910362638.2A CN201910362638A CN110262102A CN 110262102 A CN110262102 A CN 110262102A CN 201910362638 A CN201910362638 A CN 201910362638A CN 110262102 A CN110262102 A CN 110262102A
- Authority
- CN
- China
- Prior art keywords
- light shield
- shield layer
- light
- display panel
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
Abstract
The invention discloses a kind of display panel and display device, display panel includes the color membrane substrates being oppositely arranged and array substrate, and the side of the color membrane substrates is provided with multiple light sensitive components in array substrate；It further include collimating aperture unit, collimating aperture unit runs through the part film layer of color membrane substrates and array substrate in a first direction, and collimating aperture unit and light sensitive component correspond, and first direction is the direction perpendicular to display panel；Collimating aperture unit includes central part and light shielding part, and orthographic projection of the light shielding part on color membrane substrates surrounds orthographic projection of the central part on color membrane substrates；Light shielding part includes multiple light shield layers in a first direction, and light is stopped to enter central part from the gap between multiple light shield layers.The light that areflexia light of the present invention enters central part, therefore reach light sensitive component by open region is only a fingerprint valley or fingerprint ridge, will not be interfered, and the precision of fingerprint recognition is improved.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display panel and display device.
Background technique
With universal, concern of the information security by people of mobile display product.Fingerprint is human body inherent only one
No two and the invariant features that can be distinguished with other people, it by the series of ridges and Gu Zucheng on finger tip skin surface, these ridges and
The composition details of paddy generally include the bifurcated of ridge, the end of ridge, arch, the arch of tent-type, left-handed, dextrorotation, spiral or bispin
Etc. details, these Details uniqueness of fingerprint pattern.Since fingerprint has uniqueness, is difficult to replicability, safety etc.
Advantage, fingerprint identification technology is widely used in mobile display product in recent years, as a kind of authentication and access control
Mode so that the safety of mobile display product and ease for operation are greatly improved.
Light fingerprint recognition is the refraction and principle of reflection using light, is placed a finger on light eyeglass, just by light
In the reflection differences of finger surface line paddy and wrinkle ridge, realizes that sensing device receives different finger print information differentiation, form fingerprint image
Picture, working principle is fairly simple, is suitble to comprehensive screenization design of mobile display product, but due to used in fingerprint identification process
Sensing device be easy influenced by optical noise so that the precision of fingerprint recognition is difficult to improve.
Therefore in order to realize the mobile comprehensive screenization for showing product, how to improve the precision of light fingerprint recognition is this field
Technical problem urgently to be resolved.
Summary of the invention
In view of this, the display panel that the present invention provides a kind of to improve the precision of light fingerprint recognition and display dress
It sets.
On the one hand, the present invention provides a kind of display panels, including the color membrane substrates being oppositely arranged and array substrate, in institute
It states array substrate and the side of the color membrane substrates is provided with multiple light sensitive components；
It further include collimating aperture unit, the collimating aperture unit runs through the color membrane substrates and the array in a first direction
The part film layer of substrate, the collimating aperture unit and the light sensitive component correspond, and the first direction is perpendicular to described
The direction of display panel；
The collimating aperture unit includes central part and light shielding part, positive throwing of the light shielding part on the color membrane substrates
Shadow surrounds orthographic projection of the central part on the color membrane substrates；
The light shielding part includes multiple light shield layers in a first direction, stops light between multiple light shield layers
Gap enters the central part.
On the other hand, the present invention also provides a kind of display devices, including above-mentioned display panel.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit:
Display panel provided by the invention, including collimating aperture unit, collimating aperture unit runs through the coloured silk in a first direction
The part film layer of ilm substrate and the array substrate, collimating aperture unit and light sensitive component correspond；During collimating aperture unit includes
Center portion and light shielding part, orthographic projection of the light shielding part on color membrane substrates surround orthographic projection of the central part on color membrane substrates；?
Light shielding part includes multiple light shield layers on one direction, and light is stopped to enter central part, areflexia from the gap between multiple light shield layers
Light enters central part by open region, therefore the light for reaching light sensitive component is only a fingerprint valley or fingerprint ridge, will not
It interferes, improves the precision of fingerprint recognition.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram for the display module that the prior art provides；
Fig. 2 is a kind of display panel floor map provided by the invention；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 be in Fig. 2 another A-A to sectional view；
Fig. 5 is a kind of shading schematic illustration in Fig. 4；
Fig. 6 is another shading schematic illustration in Fig. 4；
Fig. 7 be in Fig. 2 another A-A to sectional view；
Fig. 8 be in Fig. 2 another A-A to sectional view；
Fig. 9 be in Fig. 2 another A-A to sectional view；
Figure 10 is the planar structure schematic diagram of another display panel provided by the invention；
Figure 11 is the planar structure schematic diagram of another display panel provided by the invention；
Figure 12 is a kind of structural schematic diagram of display device provided by the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram for the display module that the prior art provides.As shown in Figure 1, a kind of display
Mould group 00 includes the display panel 01 and backlight assembly 02 being oppositely arranged, and further includes the glass that 01 light-emitting surface of display panel is arranged in
Cover board 03, display panel 01 include the color membrane substrates 001 that are oppositely arranged and array substrate 002 and are located at 001 and of color membrane substrates
Liquid crystal layer 003 between array substrate 002 is liquid crystal molecule in liquid crystal layer 003, fingerprint recognition is arranged in array substrate 002
Unit 04, certain display panel 01 further include the upper polaroid 004 for deviating from the backlight assembly 02 on color membrane substrates 001,
Close to the down polaroid 005 of the backlight assembly 02 in array substrate 002.The working principle of fingerprint identification unit 04 are as follows:
When finger contacts display screen, reflected when light source is irradiated on the valley line and crestal line of finger print, due to valley line and crestal line
Reflection angle and the intensity of illumination that reflects back it is different, by light projection to fingerprint identification unit 04, fingerprint identification unit 04
The inductive signal received is transmitted to fingerprint recognition signal receiving unit (not shown) by fingerprint signal line, so as to refer to
Line identification signal receiving unit goes out the valley line and crestal line of fingerprint according to the signal identification received.When finger 007 touches glass
When cover board 03, a series of fingerprint ridges 008 and fingerprint valley 009 on the skin surface of finger end form fingerprint, the light warp that light source issues
Finger is reached after crossing liquid crystal layer 003, color membrane substrates 001, upper polaroid 004 and glass cover-plate 03, is successively passed through again by reflection
Glass cover-plate 03, upper polaroid 004, color membrane substrates 001, liquid crystal layer 003 reach the fingerprint identification unit in array substrate 002
04。
Due to can not be made in display panel liquid crystal cell barricade come resistance value in the prior art usually be arranged collimating aperture unit 06
With limit reflection light path to reach fingerprint identification unit 04, such as Fig. 1, collimating aperture unit 06, collimation are provided in Fig. 1
Hole unit 06 includes central part 061 and light shielding part 062, and orthographic projection of the light shielding part 062 on color membrane substrates 001 surrounds central part
061 orthographic projection on color membrane substrates 001, light shielding part 062 include multiple light shield layers 063, but due to adjacent light shield layer 063 it
Between spacing setting it is unreasonable, such as the phenomenon that spacing of the adjacent light shield layer 063 in a first direction on X is larger, and there are light leakages, light
L1 eventually arrives at the light of fingerprint identification unit 04 in addition to L2 also from having entered central part 061 between light shield layer 063
L1, causes interference, and fingerprint identification unit 04 cannot recognize that the light of fingerprint ridge or fingerprint valley reflection, fingerprint recognition essence
Degree decline；Light leakage is such as prevented using the unlimited quantity for increasing light shield layer 063, undoubtedly increases cost of manufacture again, while also depositing
In the bottleneck of technique warpage and precision.
In order to solve the above-mentioned technical problems, the present invention provides a kind of display panel and display devices.It is mentioned about the present invention
The display panel of confession and the embodiment of display device, are discussed further below.
Referring to figs. 2 and 3, Fig. 2 is a kind of display panel floor map provided by the invention；Fig. 3 be in Fig. 2 A-A to
Sectional view.It include the color membrane substrates 1 being oppositely arranged and array substrate 2 in Fig. 3, in array substrate 2 close to the side of color membrane substrates 1
It is provided with multiple light sensitive components 30；It further include collimating aperture unit 5, collimating aperture unit 5 runs through color membrane substrates 1 on X in a first direction
With the part film layer of array substrate 2, collimating aperture unit 5 and light sensitive component 30 are corresponded, and first direction X is perpendicular to display surface
The direction of plate.Here collimating aperture unit 5 refers to through the part film layer of color membrane substrates 1 and array substrate 2 on X in a first direction
The optical channel path that fingerprint ridge or the light of fingerprint valley reflection are formed by part film layer on color membrane substrates 1 and array substrate 2.
In Fig. 2 and Fig. 3, collimating aperture unit 5 includes central part 51 and light shielding part 52, and light shielding part 52 is on color membrane substrates 1
Orthographic projection surround orthographic projection of the central part on color membrane substrates 1；
Light shielding part 52 includes multiple light shield layers 53 on X in a first direction in Fig. 3, stops light between multiple light shield layers 53
Gap enter central part 51.OA in Fig. 3 is open region, and open region OA carries out the display of display panel.
In Fig. 2, display panel 100 includes pixel 4, and pixel 4 includes sub-pixel, optionally includes at least tri- kinds of face of R, G, B
Sub-pixels are also folded with liquid crystal layer 3 in Fig. 3 between color membrane substrates 1 and array substrate 2, it is of course possible to which understanding is display
Panel 100 further includes away from the upper polaroid of the array substrate 2, in array substrate 2 on color membrane substrates 1 away from coloured silk
The down polaroid of ilm substrate 1, in the glass cover-plate (not shown) of 100 light-emitting surface of display panel.In addition, array substrate 2
Size can be big compared with color membrane substrates 1, so that stepped region (not shown) easy to form between the two, to bind array
Substrate 2 provides the devices such as the IC chip of various driving signals, includes substrate for color membrane substrates 1 and array substrate 2
Substrate, underlay substrate material can be glass.
The shape of central part 51 and light shielding part 52 is not specifically limited, can be circle, certainly can also be other
Shape, only with round example from Fig. 2.
Display panel provided by the invention, at least has the following technical effect that:
Due to being provided with multiple light shield layers 53 on X in a first direction, and stop light between multiple light shield layers 53
Gap enters central part 51, and areflexia light enters central part 51 by open region OA, therefore reaches the light of light sensitive component 30
Line is only a fingerprint valley or fingerprint ridge, will not be interfered, and the precision of fingerprint recognition is improved.
Referring to Fig. 4, Fig. 4 be in Fig. 2 another A-A to sectional view.It include the color membrane substrates 1 being oppositely arranged and battle array in Fig. 4
Column substrate 2 is provided with multiple light sensitive components 30 close to the side of color membrane substrates 1 in array substrate 2；It further include collimating aperture unit 5,
Collimating aperture unit 5 runs through the part film layers of color membrane substrates 1 and array substrate 2, collimating aperture unit 5 and light sensation on X in a first direction
Element 30 corresponds, and first direction X is the direction perpendicular to display panel.Collimating aperture unit 5 includes central part 51 and hides
Light portion 52, light shielding part 52 surround orthographic projection of the central part on color membrane substrates 1 in the orthographic projection on color membrane substrates 1.In first party
Light shielding part 52 includes multiple light shield layers 53 on X, and light is stopped to enter central part 51 from the gap between multiple light shield layers 53.
In Fig. 4, multiple light shield layers 53 include the first light shield layer 531, second the i-th -2 light shield layer 533 of light shield layer 532 ..., the
I-1 light shield layer 534, the i-th light shield layer 535 and top layer light shield layer 536, in a first direction on X, the first light shield layer 531, second
The i-th -2 light shield layer 533 of light shield layer 532 ..., the (i-1)-th light shield layer 534, the i-th light shield layer 535 and top layer light shield layer 536 are gradually remote
From the plane where light sensitive component 30.Certainly it can also include other light shield layers, stop light from multiple light shield layers as long as meeting
Gap between 53 enters central part 51.
Color membrane substrates 1 include black matrix BM, and the i-th light shield layer 535 is arranged with black matrix BM same layer；Top layer light shield layer 536
In side of the black matrix BM far from array substrate 2, wherein i is the positive integer greater than 2.
It can be understood that top layer light shield layer be determine the facula area that can identify of light sensitive component, that is, determine into
Enter the luminous flux to central part.Furthermore when the value of i is 3, multiple light shield layers 53 include that the first light shield layer (is equivalent to the i-th -2 screening
Photosphere), the second light shield layer (being equivalent to the (i-1)-th light shield layer), third light shield layer (being equivalent to the i-th light shield layer) and top layer shading
Layer, as i=5, then multiple light shield layers 53 (are equivalent to the i-th -2 screening including the first light shield layer, the second light shield layer, third light shield layer
Photosphere), the 4th light shield layer (being equivalent to the (i-1)-th light shield layer), the 5th light shield layer (being equivalent to the i-th light shield layer) and top layer shading
Layer, so the numerical value of i is variable.
Due to being provided with the first light shield layer 531, second the i-th -2 light shield layer 533 of light shield layer 532 ..., the on X in a first direction
I-1 light shield layer 534, the i-th light shield layer 535 and top layer light shield layer 536, and can stop light from multiple light shield layers 53 it
Between gap enter central part 51, areflexia light enters central part 51 by open region OA, therefore reaches light sensitive component 30
Light be only a fingerprint valley or fingerprint ridge, will not interfere, improve the precision of fingerprint recognition.
It is a kind of shading schematic illustration in Fig. 4 with continued reference to Fig. 4 and Fig. 5, Fig. 5, adjacent two collimation on second direction Y
The distance of hole unit 5 is n, and the width of first light shield layer 531 is m on second direction Y1, X upper first hides in a first direction
Photosphere 531 is 0 at a distance from 30 place plane of light sensitive component；Upper second light shield layer, 532 the first light shield layer of distance of x in a first direction
The distance of 531 place planes is h1；Distance of i-th light shield layer 535 apart from 30 place plane of light sensitive component is a；(i-1)-th light shield layer
534 distance apart from 30 place plane of light sensitive component is g, whereinSecond direction Y and first direction X is handed over
Fork.
The distance of adjacent two collimating apertures unit 5 is the outer peripheral distance that n distance refers to collimating aperture unit 5 in the present invention,
It can be understood that being open region OA between collimating aperture unit 5；It should be noted that light shield layer 53 is in second direction Y in the present invention
Width refer to 53 outer edge of light shield layer at a distance from central part 51, such as when light shield layer 53 is annular, light shield layer here
53 width refer to outer ring to the distance of inner ring.
It should be noted that this refers to the first light shield layers 531 close to 30 institute of a lateral extent light sensitive component of light sensitive component 30
It is 0 in the distance of plane.
The light in right side collimating aperture unit 5 is entered in Fig. 4 between the first light shield layer 531 and the second light shield layer 532
It is critical value, the principle of straight line is determined according to two o'clock, the extended line of straight line BE can determines 534 distance of the (i-1)-th light shield layer
The distance g of 30 place plane of light sensitive component.I.e. from the i-th light shield layer 535 and the (i-1)-th light shield layer 534 of the collimating aperture unit 5 in left side
The light that passes through of top edge entered between the first light shield layer 531 and the second light shield layer 532 in right side collimating aperture unit 5,
As shown in Figure 5 according to similar triangle theory, △ ABC ∽ △ DBE, thusWhen 534 distance of the (i-1)-th light shield layer
The distance g of 30 place plane of light sensitive component, which meets, is less than or equal to distance of i-th light shield layer 535 apart from 30 place plane of light sensitive component
A, then in the central part 51 that dull thread enters collimating aperture unit 5 between the first light shield layer 531 and the second light shield layer 532.
Due to being provided with the first light shield layer 531, second the i-th -2 light shield layer 533 of light shield layer 532 ..., the on X in a first direction
I-1 light shield layer 534, the i-th light shield layer 535 and top layer light shield layer 536, and the (i-1)-th light shield layer 534 is apart from light sensitive component 30
The distance of place plane is g,Dull thread enters between the first light shield layer 531 and the second light shield layer 532
Into the central part 51 of collimating aperture unit 5, therefore the light for reaching light sensitive component 30 is only a fingerprint valley or fingerprint ridge, will not
It interferes, improves the precision of fingerprint recognition.
Referring to Fig. 4 and Fig. 6, Fig. 6 is another shading schematic illustration in Fig. 4.The internal diameter of Fig. 4 central part 51 is d；From
Second light shield layer 532 is directed toward the direction of the i-th light shield layer 535, and the spacing between adjacent light shield layer is respectively h2、h3…hi-2、hi-1,
Second the i-th -2 light shield layer 533 of light shield layer 532 ..., the width of the (i-1)-th light shield layer 534, the i-th light shield layer 535 on second direction Y
Respectively m2、…mi-2、mi-1、mi；Wherein
It should be noted that internal diameter is d when central part 51 here is round, the internal diameter when central part 51 is other shapes
Refer to central part 51 in the width of second direction Y.
It is illustrated in Fig. 6 in the principle for stopping light to enter central part in the same collimating aperture unit between light shield layer
Figure, enters in central part 51 as shown in figure 4, having light from the light shield layer 53 in left side in the sectional view of collimating aperture unit 5,
Two light critical values are illustrated in Fig. 4 can be from the lower section of the i-th -2 light shield layer 533 and from the i-th -2 light shield layer 533 and (i-1)-th
Central part 51 is entered between light shield layer 534, on second direction Y between the i-th -2 light shield layer 533 and the light shield layer of lower section
Spacing is equal to or less than h at this time3And spacing is equal to or less than between the i-th -2 light shield layer 533 and the (i-1)-th light shield layer 534
H at this timei-2When, then dull thread is from the lower section of the i-th -2 light shield layer 533 and from the i-th -2 light shield layer 533 and the (i-1)-th light shield layer 534
Between enter central part 51.
Schematic illustration in Fig. 6 only illustrates several light shield layers, only does principle explanation here.The condition for needing to meet
Schematic diagram is shown in Fig. 6, △ BFG ∽ △ IHG in Fig. 6, and IG=HE=h2, according to similar triangle theory
It can be concluded thatSimilarly △ BFK ∽ △ MLK, it can be deduced thatThus it obtains far from light sensation member
Spacing of the upper one layer of light shield layer of part between next layer of light shield layerIt can be understood that according to two
Point determines the principle of a line, and the extended line of FG and width are m in Fig. 6i-2Light shield layer intersection point be H, so m has been determinedi-2Screening
The position of photosphere in a first direction is at this time critical condition, and the position where H point needs to shelter from F point, that is, next layer
On the inside of light shield layer collimating aperture (as being respectively G point, I point) on the outside of upper one layer of light shield layer collimating aperture (correspondingly, as respectively H point,
J point) it is crossed just at one on the straight line of F point, at this point, then needing to meet
In a first direction on X, meetWhen, dull thread hides from i-th in the same collimating aperture unit 5
The light for entering central part 51 between photosphere 535 and the (i-1)-th light shield layer 534, therefore reaching light sensitive component 30 is only a finger
Line paddy or fingerprint ridge will not interfere, and improve the precision of fingerprint recognition.
It can be understood that meetingWhile again meetThen dull thread
In the central part 51 for entering collimating aperture unit 5 between the first light shield layer 531 and the second light shield layer 532, at the same dull thread from
The light for entering central part 51 between i-th light shield layer 535 and the (i-1)-th light shield layer 534, therefore reaching light sensitive component 30 is only one
A fingerprint valley or fingerprint ridge will not interfere, and improve the precision of fingerprint recognition.
With continued reference to fig. 4 to fig. 6, width of the top layer light shield layer 536 on second direction Y is m0, wherein m1=m2=...
=mi-2=mi-1=mi=m0.That is the first light shield layer 531, second the i-th -2 light shield layer 533 of light shield layer 532 ..., at this time
The width of i-1 light shield layer 534, the i-th light shield layer 535 and top layer light shield layer 536 on second direction Y is equal, according to Fig. 5
Principle in Fig. 6, meets simultaneouslyWithTwo conditions, then dull thread is from first
It is entered between light shield layer 531 and the second light shield layer 532 in the central part 51 of collimating aperture unit 5, while dull thread is from the i-th shading
The light for entering central part 51 between layer 535 and the (i-1)-th light shield layer 534, therefore reaching light sensitive component 30 is only a fingerprint
Paddy or fingerprint ridge will not interfere, and improve the precision of fingerprint recognition.
Referring to Fig. 7, Fig. 7 is that another A-A is in Fig. 2 to sectional view, the width of top layer light shield layer 536 in a second direction
m0, wherein m1=m2< ... < mi-2< mi-1< mi< m0。
It include the color membrane substrates 1 being oppositely arranged and array substrate 2 in Fig. 7, in array substrate 2 close to the one of color membrane substrates 1
Side is provided with multiple light sensitive components 30；It further include collimating aperture unit 5, collimating aperture unit 5 runs through color membrane substrates on X in a first direction
1 and array substrate 2 part film layer, collimating aperture unit 5 and light sensitive component 30 correspond, and first direction X is perpendicular to display
The direction of panel.Collimating aperture unit 5 includes central part 51 and light shielding part 52, orthographic projection of the light shielding part 52 on color membrane substrates 1
Around orthographic projection of the central part 51 on color membrane substrates 1.Light shielding part 52 includes multiple light shield layers 53 on X in a first direction, is stopped
Light enters central part 51 from the gap between multiple light shield layers 53.
In Fig. 7, illustrating only light shield layer 53 includes the first light shield layer 531, second the (i-1)-th light shield layer of light shield layer 532 ...
534, the i-th light shield layer 535 and top layer light shield layer 536, in a first direction on X, the first light shield layer 531, the second light shield layer
532 ... (i-1)-th light shield layers 534, the i-th light shield layer 535 and top layer light shield layer 536 are gradually distance from the flat of 30 place of light sensitive component
Face.Color membrane substrates 1 include black matrix BM, and the i-th light shield layer 535 is arranged with black matrix BM same layer；Top layer light shield layer 536 is located at black square
Side of the battle array BM far from array substrate 2, wherein i is the positive integer greater than 2.
Due to cannot infinitely increase the quantity of light shield layer 53 in display panel, so when meeting m1=m2< ... < mi-2<
mi-1< mi< m0When, i.e., along on the direction far from light sensitive component 30, width of the light shield layer 53 on second direction Y gradually increases
Subtract, the quantity of light shield layer 53 can be reduced at this time, reduce manufacture craft and reduce cost, but also meetsWithThe two conditions, which is not described herein again for principle.
It can be understood that meetingWhile again meetThen dull thread from
It is entered between first light shield layer 531 and the second light shield layer 532 in the central part 51 of collimating aperture unit 5, while dull thread is from i-th
The light for entering central part 51 between light shield layer 535 and the (i-1)-th light shield layer 534, therefore reaching light sensitive component 30 is only one
Fingerprint valley or fingerprint ridge will not interfere, and improve the precision of fingerprint recognition.
Referring to Fig. 8, Fig. 8 be in Fig. 2 another A-A to sectional view.Width of the top layer light shield layer 536 on second direction Y
For m0, m1=m2< ... < mi-2< mi-1< mi> m0。
It include the color membrane substrates 1 being oppositely arranged and array substrate 2 in Fig. 8, in array substrate 2 close to the one of color membrane substrates 1
Side is provided with multiple light sensitive components 30；It further include collimating aperture unit 5, collimating aperture unit 5 runs through color membrane substrates on X in a first direction
1 and array substrate 2 part film layer, collimating aperture unit 5 and light sensitive component 30 correspond, and first direction X is perpendicular to display
The direction of panel.Collimating aperture unit 5 includes central part 51 and light shielding part 52, orthographic projection of the light shielding part 52 on color membrane substrates 1
Around orthographic projection of the central part on color membrane substrates 1.Light shielding part 52 includes multiple light shield layers 53 on X in a first direction, stops light
Line enters central part 51 from the gap between multiple light shield layers 53.
In Fig. 8, illustrating only light shield layer 53 includes the first light shield layer 531, second the (i-1)-th light shield layer of light shield layer 532 ...
534, the i-th light shield layer 535 and top layer light shield layer 536, in a first direction on X, the first light shield layer 531, the second light shield layer
532 ... (i-1)-th light shield layers 534, the i-th light shield layer 535 and top layer light shield layer 536 are gradually distance from the flat of 30 place of light sensitive component
Face.Color membrane substrates 1 include black matrix BM, and the i-th light shield layer 535 is arranged with black matrix BM same layer；Top layer light shield layer 536 is located at black square
Side of the battle array BM far from array substrate 2, wherein i is the positive integer greater than 2.
Due to cannot infinitely increase the quantity of light shield layer 53 in display panel, so when meeting m1=m2< ... < mi-2<
mi-1< mi> m0When, i.e., along on the direction far from light sensitive component 30, width of the light shield layer 53 on second direction Y first increases again
Reduce, width of i-th light shield layer 535 on second direction Y is maximum, can reduce the quantity of light shield layer 53 at this time, reduces production
Technique and reduction cost, but also meetWithThe two conditions, principle this
In repeat no more.
It can be understood that meetingWhile again meetThen dull thread 53
In the central part 51 for entering collimating aperture unit 5 between the first light shield layer 531 and the second light shield layer 532, at the same dull thread from
The light for entering central part 51 between i-th light shield layer 535 and the (i-1)-th light shield layer 534, therefore reaching light sensitive component 30 is only one
A fingerprint valley or fingerprint ridge will not interfere, and improve the precision of fingerprint recognition.
Referring to Fig. 9, Fig. 9 be in Fig. 2 another A-A to sectional view.In a first direction on X, wrapped between adjacent light shield layer 53
Include planarization layer P.Planarization layer P is optionally using the material with higher light transmittance, due in planarization layer P and central part 51
Planarization layer P make simultaneously, will not influence light at this time and penetrated from central part 51.
0, Figure 10 is the planar structure schematic diagram of another display panel provided by the invention referring to Fig.1；Described in Figure 10
Display panel 100 includes viewing area AA, and the viewing area AA includes the open region O and the encirclement open region O of array arrangement
Non- open region N, wherein collimating aperture unit 5 and light sensitive component 30 are respectively positioned on non-open region N.
It can be understood that collimating aperture unit 5 and light sensitive component 30 are one by one on the direction perpendicular to display panel 100
It is corresponding.Certain display panel 100 further includes the non-display area BB around viewing area AA.The shape of collimating aperture unit 5 in Figure 10
It can also be other shapes for circle, as long as being arranged collimating aperture unit 5 and light sensitive component 30 in non-open region N, here
It is not specifically limited.It can be understood that open region O is the region that light penetrates.In addition, in Figure 10 pixel 4 number and collimating aperture
The number of unit 5 is only illustrated, and the present invention is not specifically limited in this embodiment.
Collimating aperture unit 5 and light sensitive component 30 need to occupy certain space, and collimating aperture unit 5 and light sensitive component 30 are set
It sets in non-open region N, can guarantee not have an impact the display of open region O.
With continued reference to Figure 10, open region O the length on second direction Y be equal to adjacent two collimating apertures unit 5 between away from
From the second direction Y and first direction X intersects.
Collimating aperture unit 5 and light sensitive component 30 need to occupy certain space, and collimating aperture unit 5 and light sensitive component 30 are set
It sets in non-open region N, can guarantee not have an impact the display of open region O.Meanwhile length of the open region O on second direction Y
Degree is equal to the distance between adjacent two collimating apertures unit 5, can make full use of the space of non-open region N, while ensuring to enter
Luminous flux in collimating aperture unit 5 improves fingerprint recognition precision.
The shape of central part is any one in round, square, rectangle.With continued reference to Fig. 2, illustrated only in Fig. 2
Central part 51 is circle, naturally it is also possible to be other shapes, such as ellipse or rectangle, the shape of central part 51 determine hot spot
Shape, provided of course that the light that can be realized the same fingerprint ridge or fingerprint valley reaches light sensitive component 30 i.e. by central part 51
Can, the light shielding part 52 around central part 51 can be constrained light therein is entered, and improve the precision of fingerprint recognition, right
It is not especially limited in the shape of collimating aperture.
1, Figure 11 is the planar structure schematic diagram of another display panel provided by the invention referring to Fig.1.Display panel 100
Including viewing area AA and around the non-display area BB of viewing area AA, display panel 100 includes fingerprint identification area 60, light sensitive component 30
It is respectively positioned in fingerprint identification area 60 with collimating aperture unit 5, orthographic projection of the fingerprint identification area 60 in array substrate and viewing area AA
Orthographic projection in array substrate is at least partly overlapped.Fingerprint identification area 60 is only to illustrate in Figure 11, actually fingerprint identification area
60 can be 1/4 screen, can also be half screen, or full frame.Namely fingerprint identification area 60 and viewing area AA is at least partly
Overlapping, when fingerprint identification area 60 is 1/4 screen or half screen, fingerprint identification area 60 partly overlaps with viewing area AA, is known by fingerprint
The fingerprint identification function of the part of display panel 100 can be realized in other area 60, reduces the wiring of light sensitive component 30, is conducive to production；
When fingerprint identification area 60 is full frame, fingerprint identification area 60 and viewing area AA are completely overlapped, and finger touches any bit on the screen
It sets and can trigger the progress fingerprint recognition of light sensitive component 30, realize full frame fingerprint identification function, make fingerprint recognition more convenient and quicker.
In some optional embodiments, Figure 12 is please referred to, Figure 12 is that a kind of structure of display device provided by the invention is shown
It is intended to, display device 200 provided in this embodiment, including the display panel 100 in above-described embodiment.Figure 12 embodiment is only with hand
For machine, display device 200 is illustrated, it is to be understood that display device 200 provided in an embodiment of the present invention, it can be with
It is other display devices 200 having a display function such as computer, TV, Electronic Paper, display device for mounting on vehicle, the present invention does not make this
Concrete restriction.Display device 200 provided in an embodiment of the present invention, having with display panel 100 provided in an embodiment of the present invention
Beneficial effect, can specifically refer to the various embodiments described above illustrating for display panel 100, and the present embodiment is no longer superfluous herein
It states.
Through the foregoing embodiment it is found that display panel provided by the invention and display device, at least realizing following has
Beneficial effect:
Display panel provided by the invention, including collimating aperture unit, collimating aperture unit runs through the coloured silk in a first direction
The part film layer of ilm substrate and the array substrate, collimating aperture unit and light sensitive component correspond；During collimating aperture unit includes
Center portion and light shielding part, orthographic projection of the light shielding part on color membrane substrates surround orthographic projection of the central part on color membrane substrates；?
Light shielding part includes multiple light shield layers on one direction, and light is stopped to enter central part, areflexia from the gap between multiple light shield layers
Light enters central part by open region, therefore the light for reaching light sensitive component is only a fingerprint valley or fingerprint ridge, will not
It interferes, improves the precision of fingerprint recognition.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (13)
1. a kind of display panel, including the color membrane substrates being oppositely arranged and array substrate, which is characterized in that
The side of the color membrane substrates is provided with multiple light sensitive components in the array substrate；
It further include collimating aperture unit, the collimating aperture unit runs through the color membrane substrates and the array substrate in a first direction
Part film layer, the collimating aperture unit and the light sensitive component correspond, and the first direction is perpendicular to the display
The direction of panel；
The collimating aperture unit includes central part and light shielding part, and orthographic projection of the light shielding part on the color membrane substrates is enclosed
Around orthographic projection of the central part on the color membrane substrates；
The light shielding part includes multiple light shield layers in a first direction, stop light from the gap between multiple light shield layers into
Enter the central part.
2. display panel according to claim 1, which is characterized in that multiple light shield layers include at least the first shading
Layer, second the i-th -2 light shield layer of light shield layer ..., the (i-1)-th light shield layer, the i-th light shield layer and top layer light shield layer, in a first direction,
First light shield layer, second the i-th -2 light shield layer of light shield layer ..., the (i-1)-th light shield layer, the i-th light shield layer and top layer light shield layer are gradually
Far from the plane where the light sensitive component；
The color membrane substrates include black matrix, and i-th light shield layer and the black matrix same layer are arranged；Top layer light shield layer position
In side of the black matrix far from the array substrate, wherein i is the positive integer greater than 2.
3. display panel according to claim 2, which is characterized in that in a second direction adjacent two collimating apertures unit away from
From for n；
The width of first light shield layer is m in a second direction1,
First light shield layer is 0 at a distance from plane where the light sensitive component in a first direction；
Distance of second light shield layer apart from plane where first light shield layer is h in a first direction1；
Distance of i-th light shield layer apart from plane where the light sensitive component is a；(i-1)-th light shield layer is apart from the light
The distance of plane where sensing unit is g, wherein
The second direction is intersected with the first direction.
4. display panel according to claim 3, which is characterized in that the internal diameter of the central part is d；
The direction of i-th light shield layer is directed toward from second light shield layer, the spacing between adjacent light shield layer is respectively h2、h3…
hi-2、hi-1,
Second light shield layer ..., i-th -2 light shield layer, the (i-1)-th light shield layer, the width of the i-th light shield layer in a second direction are respectively
m2、…mi-2、mi-1、mi；
Wherein
5. display panel according to claim 4, which is characterized in that the width of the top layer light shield layer in a second direction
For m0, wherein m1=m2=...=mi-2=mi-1=mi=m0。
6. display panel according to claim 4, which is characterized in that the width of the top layer light shield layer in a second direction
For m0, wherein m1=m2< ... < mi-2< mi-1< mi< m0。
7. display panel according to claim 4, which is characterized in that the width of the top layer light shield layer in a second direction
For m0, m1=m2< ... < mi-2< mi-1< mi> m0。
8. display panel according to claim 1, which is characterized in that in a first direction, between the adjacent light shield layer
Including planarization layer.
9. display panel according to claim 1, which is characterized in that the display panel includes viewing area, the display
Area includes the open region of array arrangement and the non-open region for surrounding the open region, wherein the collimating aperture unit and the light
Sensing unit is respectively positioned on the non-open region.
10. display panel according to claim 9, which is characterized in that the length etc. of the open region in a second direction
In the distance between adjacent two collimating apertures unit, the second direction is intersected with the first direction.
11. display panel according to claim 1, which is characterized in that the shape of the central part be round, square,
Any one in rectangle.
12. display panel according to claim 9, which is characterized in that the display panel includes fingerprint identification area, described
Light sensitive component and the collimating aperture unit are respectively positioned in the fingerprint identification area, and the fingerprint identification area is in the array substrate
Orthographic projection be at least partly overlapped with orthographic projection of the viewing area in the array substrate.
13. a kind of display device, which is characterized in that including any display panel of claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362638.2A CN110262102B (en) | 2019-04-30 | 2019-04-30 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362638.2A CN110262102B (en) | 2019-04-30 | 2019-04-30 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110262102A true CN110262102A (en) | 2019-09-20 |
| CN110262102B CN110262102B (en) | 2022-01-14 |
Family
ID=67914047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910362638.2A Active CN110262102B (en) | 2019-04-30 | 2019-04-30 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110262102B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650228A (en) * | 2019-09-24 | 2020-01-03 | 上海摩软通讯技术有限公司 | Display panel and display device |
| CN110908174A (en) * | 2019-12-26 | 2020-03-24 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111965881A (en) * | 2020-09-08 | 2020-11-20 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| WO2021164108A1 (en) * | 2020-02-19 | 2021-08-26 | 武汉华星光电技术有限公司 | Display panel and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2940516A1 (en) * | 2012-12-27 | 2015-11-04 | Toppan Printing Co., Ltd. | Liquid crystal display device, color filter substrate, and color filter substrate production method |
| CN106773219A (en) * | 2017-02-07 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of display device |
| CN106873284A (en) * | 2017-04-10 | 2017-06-20 | 京东方科技集团股份有限公司 | A kind of display device and its control method |
| TW201839471A (en) * | 2017-04-27 | 2018-11-01 | 大陸商廣東歐珀移動通信有限公司 | Display Screen, Display Device And Mobile Terminal |
| CN108828824A (en) * | 2018-09-29 | 2018-11-16 | 上海天马微电子有限公司 | The manufacturing method of display panel, display device and display panel |
| CN109445161A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Display panel and display device |
-
2019
- 2019-04-30 CN CN201910362638.2A patent/CN110262102B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2940516A1 (en) * | 2012-12-27 | 2015-11-04 | Toppan Printing Co., Ltd. | Liquid crystal display device, color filter substrate, and color filter substrate production method |
| CN106773219A (en) * | 2017-02-07 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of display device |
| CN106873284A (en) * | 2017-04-10 | 2017-06-20 | 京东方科技集团股份有限公司 | A kind of display device and its control method |
| TW201839471A (en) * | 2017-04-27 | 2018-11-01 | 大陸商廣東歐珀移動通信有限公司 | Display Screen, Display Device And Mobile Terminal |
| CN108828824A (en) * | 2018-09-29 | 2018-11-16 | 上海天马微电子有限公司 | The manufacturing method of display panel, display device and display panel |
| CN109445161A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Display panel and display device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650228A (en) * | 2019-09-24 | 2020-01-03 | 上海摩软通讯技术有限公司 | Display panel and display device |
| CN110908174A (en) * | 2019-12-26 | 2020-03-24 | 厦门天马微电子有限公司 | Display panel and display device |
| WO2021164108A1 (en) * | 2020-02-19 | 2021-08-26 | 武汉华星光电技术有限公司 | Display panel and electronic device |
| US11971621B2 (en) | 2020-02-19 | 2024-04-30 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and electronic device |
| CN111965881A (en) * | 2020-09-08 | 2020-11-20 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN111965881B (en) * | 2020-09-08 | 2022-08-02 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110262102B (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110309705A (en) | Display panel and display device | |
| CN110262102A (en) | Display panel and display device | |
| CN110161739B (en) | Display panel and display device | |
| CN110333620A (en) | Display panel and display device | |
| TWI758641B (en) | Display device, operating method thereof and integrated control chip | |
| CN107561754B (en) | Flat panel display having optical image sensor embedded therein | |
| WO2018188427A1 (en) | Display device and control method therefor | |
| WO2019137002A1 (en) | Display panel and display device | |
| WO2016206207A1 (en) | Substrate and display panel | |
| CN110441944A (en) | Display panel and display device | |
| CN110286514B (en) | Display panel and display device | |
| CN110471208A (en) | Display device and preparation method thereof | |
| CN110399797A (en) | Display panel and display device | |
| CN110032918A (en) | Fingerprint identification device and its manufacturing method, electronic device | |
| US10198650B2 (en) | Image capture apparatus | |
| US10810398B2 (en) | Display panel for fingerprint recognition and display device | |
| CN110308583B (en) | Display panel and fingerprint identification display device | |
| CN108182424A (en) | Display device and its fingerprint identification method | |
| WO2019029206A1 (en) | Fingerprint recognition device, array substrate, and display apparatus | |
| CN110119046A (en) | A kind of display panel and display device | |
| CN110245631B (en) | Display panel and fingerprint identification display device | |
| KR102460111B1 (en) | Flat Panel Display Embedding Optical Imaging Sensor | |
| US20230215211A1 (en) | Display Panel and Display Device | |
| US20190087044A1 (en) | Pattern structure for preventing visibility of moiré and display apparatus using the pattern structure | |
| CN108520240A (en) | Fingerprint identification device and display equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |