CN109192076A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN109192076A CN109192076A CN201811303421.6A CN201811303421A CN109192076A CN 109192076 A CN109192076 A CN 109192076A CN 201811303421 A CN201811303421 A CN 201811303421A CN 109192076 A CN109192076 A CN 109192076A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel and display devices.The display panel includes: display area and transparence display region；Transparence display region includes multiple sub-pixels and transparent region, and the anode electrode of the sub-pixel of at least two same colors is connected.The embodiment of the present invention solves in existing comprehensive screen display panel, since transparence display region will be compatible with transparent and two kinds of functions of display, and leads to the presence of luminance difference in display panel.
Description
Technical field
This application involves but be not limited to field of display technology, espespecially a kind of display panel and display device.
Background technique
With the rapid development of display technology, the development that screen display has become the mobile display devices such as mobile phone comprehensively becomes
Gesture.
Current display panel pixel density (Pixels Per Inch, referred to as are as follows: PPI) usually with higher, and it is more
Digital display showing device can configure the moulds group such as front camera, take into account front camera while screen display comprehensively to realize, existing
The lower and partially transparent display area PPI is arranged in technology in display panel, and be properly termed as: transparence display region is weak
Display area.Since transparence display region will take into account transparent and two kinds of functions of display, can make in the transparence display region PPI compared with
Low, then the display brightness in the region can reduce, in this way, the transparence display region is with the normal display area in periphery in the presence of apparent bright
Spend difference.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of display panel and display devices, to solve
In existing comprehensive screen display panel, since transparence display region will be compatible with transparent and two kinds of functions of display, and lead to display panel
In there are problems that luminance difference.
The embodiment of the present invention provides a kind of display panel, comprising: display area and transparence display region；
The transparence display region includes multiple sub-pixels and transparent region, the sun of the sub-pixel of at least two same colors
Pole electrode is connected.
Optionally, in display panel as described above, the sub-pixel in the transparence display region includes being provided with driving
Second sub-pixel of the first sub-pixel of thin film transistor (TFT) TFT and not set driving TFT；
The sub-pixel at least two same colors that the anode electrode is connected is including first sub-pixel and at least
One the second sub-pixel.
Optionally, in display panel as described above, the sub-pixel includes at least three kinds of colors, the transparence display area
Domain is divided into the pixel unit of multiple array arrangements, includes first sub-pixel of each color in each pixel unit
With at least one second sub-pixel of each color；In each pixel unit, the anode of the first sub-pixel of each color
Electrode is connected with the anode electrode of at least one the second sub-pixel of same color respectively.
Optionally, in display panel as described above,
The driving TFT, for driving the first sub-pixel for being provided with the TFT and the anode with first sub-pixel
The opening and closing for the second sub-pixel that electrode is connected.
Optionally, in display panel as described above, the son at least two same colors that the anode electrode is connected
Pixel is the sub-pixel of adjacent position.
Optionally, in display panel as described above, the son at least two same colors that the anode electrode is connected
Pixel, for being opened or closed simultaneously in the scanning process of the display panel.
Optionally, in display panel as described above, the son at least two same colors that the anode electrode is connected
Pixel is located in the different subpixel row of the display panel.
Optionally, in display panel as described above, the shape in the transparence display region is rectangle or circle.
The embodiment of the present invention also provides a kind of display device, comprising: display panel as described in any one of the above embodiments, Yi Jishe
It is placed in side of the display panel far from light-emitting surface and is located at the camera shooting mould in the orthographic projection region in the transparence display region
Group；
The camera module is used for while the display panel shows image, by the transparence display region
Transparent region shoot image.
Display panel provided in an embodiment of the present invention and display device, wherein display panel includes display area and transparent aobvious
Show region, transparence display region includes multiple sub-pixels and transparent region, by by least two phases in the transparence display region
Anode electrode with the sub-pixel of color is connected, and can make display panel during the scanning process while open the transparence display
The sub-pixel for multiple same colors that anode electrode is connected in region, so as to effectively improve the display in transparence display region
Brightness.Display panel provided by the invention is reasonably configured by the anode electrode to transparence display region sub-pixel,
It solves in existing comprehensive screen display panel, since transparence display region will be compatible with transparent and two kinds of functions of display, and causes to show
Show there are problems that luminance difference in panel.In addition, the embodiment of the present invention is in the case where changing PDL and FMM opening area,
The light-emitting area in transparence display region can effectively be improved, so as to avoid by increase transparence display region in PDL and
The adverse effect caused by conventional display area split shed area of FMM opening area, and anode electricity is configured in the embodiment of the present invention
The technology mode of pole is easily achieved, and is advantageously reduced manufacturing cost and is improved yield rate.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is a kind of positional diagram of display panel and camera in existing display device；
Fig. 2 is the positional diagram of another display panel and camera in existing display device；
Fig. 3 is the positional diagram of another display panel and camera in existing display device；
Fig. 4 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram in transparence display region in display panel provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram in another transparence display region in display panel provided in an embodiment of the present invention；
Fig. 7 is a kind of schematic diagram of the pixel density in transparence display region in existing display panel；
Fig. 8 is the structural schematic diagram in another transparence display region in display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of flow chart of the production method of display panel provided in an embodiment of the present invention；
Figure 10 is the flow chart of the production method of another display panel provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
The present invention provides following specific embodiment and can be combined with each other, for the same or similar concept or process
It may be repeated no more in some embodiments.
Relative position such as Fig. 1 of display panel and phase camera in the mobile devices such as traditional display device, such as mobile phone
It is shown, it is a kind of positional diagram of display panel and camera in existing display device.Display device 100 shown in Fig. 1
Middle camera 120 is located at the periphery of display panel 110, does not occupy the space of display panel 110, however, structure shown in Fig. 1 is aobvious
In showing device 100, usually have dedicated for be arranged camera 120 region, can make display device 100 periphery have compared with
Wide frame.
With the development of display technology with progress, in display panel can the accounting of display area improve, as shown in Fig. 2, being
The positional diagram of another display panel and camera in existing display device.As can be seen that display device shown in Fig. 2
There is an opening, i.e., the non-display area 230 being arranged inside display panel 210, in display panel in 200 display panel 210
The camera 220 of 200 backlight side setting is Chong Die with the orthographic projection region of the non-display area 230.Although display dress shown in Fig. 2
The accounting of light emitting region in display panel 210 can be improved to a certain extent by setting 200, but by inside display panel 210
Opening be arranged camera 220, still cannot achieve the display effect shielded comprehensively.
Fig. 3 is the positional diagram of another display panel and camera in existing display device.Display shown in Fig. 3
The entire screen of device 300 is display panel 310, the display panel 310 as shielded comprehensively, the camera of the display device 300
320 are set to side of the display panel 310 far from light-emitting surface, Chong Die with the negative view field of camera 320 in display panel 310
Region be transparence display region 330 (or are as follows: weak display area), other regions are conventional viewing area in display panel 310
Domain 310a.Although the effect for shielding display comprehensively may be implemented in display device 300 shown in Fig. 3, transparence display region 330 is wanted
Transparent and two kinds of functions of display are taken into account, PPI in the transparence display region 330 can be made lower, then the display brightness meeting in the region
It reduces, in this way, the transparence display region 330 is with the normal display area 310a in periphery, there are apparent luminance differences.
For in display device 300 shown in above-mentioned Fig. 3, transparence display region 330 is deposited with the normal display area 310a in periphery
Luminance difference, the prior art proposed a kind of improvement mode, and which is to pass through to increase picture in transparence display region 330
Element defines layer (Pixel definition layer, referred to as are as follows: PDL) and high-precision metal mask plate (Fine Metal
Mask, referred to as are as follows: FMM) opening area, to improve the efficient lighting area in transparence display region 330, to improve display
Brightness.
It, may when increasing some region of opening area since the production required precision of FMM is higher in the above method
Influence the production precision of normal opening area originally.Therefore, it opens above by increasing PDL and FMM in transparence display region 330
Open area, in the scheme to improve 330 display brightness of transparence display region, process difficulty is larger, can reduce display panel
Cost rate correspondingly increases cost of manufacture.
Fig. 4 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention, and Fig. 5 provides for the embodiment of the present invention
Display panel in a kind of structural schematic diagram in transparence display region.Display panel 400 provided in this embodiment may include: aobvious
Show region 410 and transparence display region 420.
It wherein, include multiple sub-pixels 430 and transparent region 440, at least two same colors in transparence display region 420
The anode electrode 430a of sub-pixel 430 be connected；
Display panel 400 provided in an embodiment of the present invention can open in transparence display region 420 this simultaneously in scanning
The sub-pixel 430 for multiple same colors that a little anode electrode 430a are connected.
Fig. 4 illustrates the overall structure of display panel 400, and Fig. 5 illustrates transparence display area 420 in display panel 400
Top view, and Fig. 5 only illustrates sub-pixel 430 and relevant structure in the transparence display area 420.The embodiment of the present invention mentions
The display panel 400 of confession is the display panel shielded comprehensively, can be with reference to the section of display panel 310 in Fig. 3.The embodiment of the present invention
Display panel 400 be self luminescent display panel, such as can be ORGANIC ELECTROLUMINESCENCE DISPLAYS (Organic
Electroluminance Display, referred to as are as follows: OLED) panel, micro-led (micro Light Emitting
Diode, referred to as are as follows: micro LED) panel, or the other types of display panel from main light emission may be implemented.In addition, such as
Shown in Fig. 5, transparent region 440 can be arranged at intervals between multiple sub-pixels 430 in transparence display region 420, that is to say, that
Sub-pixel 430 of the transparence display region 420 for realizing display effect and the transparent region 440 for realizing transparent effect can be with
It is uniformly arranged.
In display panel in the prior art or the embodiment of the present invention in the normal display area 410 of display panel 400, one
A pixel generally includes the sub-pixel of multiple and different colors, and each sub-pixel in each pixel has independent anode electricity
Pole, and display panel is when holding scanning, such as successively opens the sub-pixel of every a line.Existing display panel 310 is saturating shown in Fig. 3
Bright display area 330 uses scanning mode same as described above, since the PPI in the transparence display region 330 is significantly less than display
The PPI of display area 310a in panel 310, in this way, the transparence display region 330 and display area of display panel 310 can be made
There are apparent luminance differences by 310a, affect the display effect of display panel.
Display panel 400 provided in an embodiment of the present invention, transparence display region 420 also need compatible display and transparent
Function avoids while there is luminance difference to improve transparence display region and display area in existing display panel
By increasing the influence of transparence display region PDL and FMM opening area to conventional display area split shed area in existing scheme,
The embodiment of the present invention is by by the anode electrode 430a of the sub-pixel 430 of at least two same colors in transparence display region 420
The mode being connected, so that the anode electrode 430a of the sub-pixel 430 in the transparence display region 420 is no longer independent, and
Be some same color sub-pixels 430 anode electrode 430a it is interconnected.In practical applications, anode electrode 430a is connected
The sub-pixel 430 of at least two same colors connect can be the sub-pixel 430 of adjacent position, in this way in production anode electrode
Be conducive to the preparation of anode cabling during 430a.
The anode electrode 430a of the sub-pixel 430 of same color in transparence display region 420 based on the embodiment of the present invention
Connection relationship, display panel 400 provided in an embodiment of the present invention display image scanning process in, display area 410
Scanning mode can be conventional sweep mode, for example, progressively scan, the scanning mode in transparence display region 420 is then are as follows: anode
It the sub-pixel 430 at least two same colors that electrode 430a is connected while opening or simultaneously closing off.
For example, in transparence display region 420 as shown in Figure 5, the adjacent sub-pixel of three same colors and position
430 anode electrode 430a is connected by metal routing, and when display device 400 scans transparence display region 420, this three
It sub-pixel 430 that a anode electrode 430a is connected while lighting, it can be seen that anode electrode 430a shown in Fig. 5 was connected
Three sub-pixels 430 are located in different scan lines (i.e. rows), such as when scanning the first row, in display area 410 only
Sub-pixel in the first row is lighted, in transparence display region 420, the sub-pixel 430 of the first row, the second row and the third line point
It is bright, the display brightness in transparence display region 420 can be greatly improved in this way, so as to improve transparence display region 420 and show
Show the luminance difference in region 410.Therefore, the embodiment of the present invention is not in the case where changing PDL and FMM opening area, so that it may
The effective light-emitting area for improving transparence display region 420, realizes the mesh for improving overall brightness in the transparence display region 420
's.In addition, the technology mode for making the anode electrode 430a of multiple same color sub-pixels 430 be connected in the embodiment of the present invention
It is easily achieved, it is only necessary to which the mask plate for changing anode electrode 430a can be realized, and manufacturing cost is lower and high yield rate.
It should be noted that in transparence display region shown in Fig. 5 420, with the anode of the sub-pixel 430 of three same colors
Electrode 430a is shown for being connected, and the embodiment of the present invention does not limit multiple sub-pixels that anode electrode 430a is connected
430 quantity is also possible to two, four or more.In addition, three sub-pixels 430 that anode electrode 430a is connected
It can be located in identical scan line, although which can also be improved the display brightness in transparence display region 420, still
Display effect can be different, may have three sub-pixels 430 that light and shade striped or anode electrode 430a are connected and be located at not
The display effect of same scan line (i.e. rows) is preferable.
Display panel 400 provided in an embodiment of the present invention, including display area 410 and transparence display region 420, it is transparent aobvious
Show that region 420 includes multiple sub-pixels 430 and transparent region 440, by identical by the transparence display region 420 at least two
The anode electrode 430a of the sub-pixel 430 of color is connected, and can make display panel during the scanning process while open this thoroughly
The sub-pixel 430 for multiple same colors that anode electrode 430a is connected in bright display area 420, so as to effectively improve
The display brightness of bright display area 420.Display panel 400 provided by the invention, by 420 sub-pixel of transparence display region
430 anode electrode 430a is reasonably configured, and is solved in existing comprehensive screen display panel, since transparence display region is wanted
Compatible transparent and two kinds of functions of display, and lead to the presence of luminance difference in display panel.In addition, the embodiment of the present invention exists
In the case where not changing PDL and FMM opening area, so that it may the effective light-emitting area for improving transparence display region 420, thus
Avoid by increase transparence display region in PDL and FMM opening area caused by conventional display area split shed area not
Good influence, and the technology mode that anode electrode 430a is configured in the embodiment of the present invention is easily achieved, and advantageously reduces manufacturing cost
And improve yield rate.
Optionally, Fig. 6 is the structural representation in another transparence display region in display panel provided in an embodiment of the present invention
Scheme, in display panel 400 provided in an embodiment of the present invention, the sub-pixel in transparence display region 420 is thin including being provided with driving
Film transistor (Thin Film Transistor, referred to as are as follows: TFT) the first sub-pixel 431 and it is not set driving TFT second
Sub-pixel 432 (does not illustrate tft array layer and driving TFT, only indicates which sub-pixel for setting with 431 and 432 in Fig. 6
There is the sub-pixel of driving TFT or not set driving TFT)；In addition, at least two identical face that above-mentioned anode electrode 430a is connected
The sub-pixel 430 of color includes first sub-pixel 431 and at least one second sub-pixel 432.It should be noted that such as Fig. 6
It is shown, it is equally shown so that the anode electrode 430a of the sub-pixel 430 of three same colors is connected as an example, is illustrated in Fig. 6
These three anode electrodes 430a is connected in sub-pixel 430 out, and an only sub-pixel is the first sub- picture for being provided with driving TFT
Element 431, other two sub-pixel are the second sub-pixel 432 of not set driving TFT, that is to say, that anode electrode 430a is connected
The sub-pixel 430 of the multiple same colors connect is using same group of driving TFT driving.
Normally, the opening and closing of display panel sub-pixel during the scanning process, by one-to-one with sub-pixel
TFT is driven to control, i.e., in conventional display panel, each sub-pixel is connected on one group of driving TFT, driving TFT's in this way
Quantity is identical as the quantity of sub-pixel, and multiple TFT transistors (for example, 6 or 7) are generally included in one group of driving TFT,
Driving TFT needs to avoid the light emitting region and partially transparent region of each sub-pixel when designing tft array layer, since this is existing aobvious
Show in the structure of panel, drive the quantity of TFT more, therefore, transparence display region PPI in design is lower, increases transparent
The luminance difference of display area and normal display area.As shown in fig. 7, for a kind of transparence display region in existing display panel
Pixel density schematic diagram, it can be seen that due to being driven the influence of the circuit occupied area of TFT, the transparence display region
The density of 330 sub-pixels 331 is very low.
In contrast, display panel 400 provided in an embodiment of the present invention will be multiple due in transparence display region 420
The anode electrode 430a of the sub-pixel 430 of same color is connected, and multiple sub-pixels 430 that anode electrode 430a is connected
In, an only sub-pixel is the first sub-pixel 431 for being provided with driving TFT, other anode electricity with first sub-pixel 431
The second sub-pixel 432 that pole 430a is connected then not set driving TFT, but one group of driving is shared with first sub-pixel 431
TFT is controlled sub-pixel 430 (including first sub-pixel 431 and at least one of multiple same colors by one group of driving TFT
A second sub-pixel 432) it lights simultaneously, therefore, the driving TFT in the embodiment of the present invention is provided with driving TFT for driving
The first sub-pixel 431 and the second sub-pixel 432 being connected with the anode electrode 430a of first sub-pixel 431 unlatching and
It closes；Correspondingly, the structure in above-mentioned transparence display region 420 can reduce face shared by the circuit of TFT transistor in tft array layer
Product, that is, reduce metal shading-area, therefore increase the penetrance of sub-pixel 430, further increase transparence display area
The display brightness in domain 420.Transparence display region in display panel 400 provided in an embodiment of the present invention shown in comparison diagram 5 and Fig. 6
420 pixel density, with the pixel density in transparence display region in the prior art shown in Fig. 7, it can be seen that driving TFT's
After quantity significantly reduces, the density of 420 sub-pixel 430 of transparence display region increases, and the sub-pixel due to lighting when scanning
430 quantity increases, and the increase of PPI will not influence its display brightness in transparence display region 420.Comparison diagram 5 (or Fig. 6) and figure
7 it can be concluded that, display panel 400 provided in an embodiment of the present invention, the light-emitting area in transparence display region 420 under unit area
Increase, improves the display brightness in the region, effectively improve the luminance difference in transparence display region 420 Yu display area 410
It is different.
Optionally, Fig. 8 is the structural representation in another transparence display region in display panel provided in an embodiment of the present invention
Figure, it can be seen that transparence display region 420 can be divided into the pixel unit 420a of multiple array arrangements (with dotted line frame in Fig. 8
Indicate a pixel unit 420a), and sub-pixel 430 includes at least three kinds of colors, then includes every in each pixel unit 420a
One the first sub-pixel 431 of kind color and at least one second sub-pixel 432 of each color；In addition, in each pixel list
In first 420a, the anode electrode 430a of the first sub-pixel 431 of each color respectively with same color at least one second son
The anode electrode 430a of pixel 432 is connected.
In embodiments of the present invention, it can be divided, such as be divided into more by the space to transparence display region 420
The pixel unit 420a of a array arrangement, to the set-up mode of the connection type of the region sub-pixel 430 and driving TFT into
Row is reasonable to be configured, and includes red, three kinds of colors of green and blue (R, G, B), each pixel unit in Fig. 8 with sub-pixel 430
The sub-pixel 430 including above-mentioned three kinds of colors and the sub-pixel 430 of each color are shown for all having three in 420a
Out.Specifically, in each pixel unit 420a all same colors (one first including same color of sub-pixel 430
Pixel 431 and at least one the second sub-pixel 432) anode electrode 430a be connected, transparence display region shown in Fig. 8 420
In each pixel unit 420a, including the first green sub-pixel 431 of red first sub-pixel 431, one and one
Green the second sub-pixel 432 of the first sub-pixel 431 and two red the second sub-pixels 432, two of blue and two
Second sub-pixel 431 of blue, and in each pixel unit 420a for being illustrated of the dotted line frame of Fig. 8, the first red son
Pixel 431 (one) is connected with the anode electrode 430a of the second red sub-pixel 432 (illustrating two in Fig. 8).This hair
Bright embodiment can reasonably divide pixel unit according to the luminance difference in PPI and two region in transparence display region 420
The size of 420a, that is, calculate can achieve when may include the sub-pixel 430 of several same colors in pixel unit 420a with
Display area 410 has identical or close display brightness.
In practical applications, the sub-pixel 431 of at least three kinds colors in each pixel unit 420a is connected at least three
On a driving TFT, that is to say, that include 9 sub-pixels of three kinds of colors, 9 sons in the pixel unit 420a that Fig. 8 is illustrated
Pixel only passes through three groups of driving TFT and is driven, group driving TFT be red in pixel unit 420a, green and
What the first sub-pixel 431 of blue was configured.
Display panel 400 shown in Fig. 5, Fig. 6 and Fig. 8 of the present invention includes red, green and blue with sub-pixel 430
It is shown for the sub-pixel 430 of (Red, Green, Blue, referred to as are as follows: RGB) three kinds of colors, and with transparent aobvious shown in Fig. 8
Show and be explained for the pixel unit 420a in region 420 no matter include several sub-pixels 430 in pixel unit 420a, use
In the quantity and pixel unit 420a for controlling the driving TFT that each pixel unit 420a sub-pixel 430 opens and closes
The number of colors of sub-pixel 430 is identical, i.e., in each pixel unit 420a, all red sub-pixels 430, which pass through, to be connected
Anode electrode 430a is connected on the driving TFT of red first sub-pixel 431, and all green sub-pixels 430 are connected to green
On the driving TFT of first sub-pixel 431, all blue subpixels 430 are connected to the driving TFT of blue first sub-pixel 431
On.As can be seen that driving the configuration mode of TFT and pixel unit 420a sub-pixel 430 in the embodiment of the present invention, can make
The quantity of driving TFT is n/mono- in the prior art in transparence display region 420, and n is identical to have in pixel unit 420a
The quantity of color sub-pixels 430.By way of being divided to transparence display region 420, not only it can effectively improve bright
The problem of spending difference, can also be according to the quantity and connection type of the convenient and fast configuration driven TFT of pixel unit 420a.
It should be noted that in transparence display region shown in Fig. 8 420, to include identical face in each pixel unit 420a
It is shown for three sub-pixels 430 of color, i.e. the anode electrode of the sub-pixel 430 of same color in pixel unit 420a
430a is connected.The embodiment of the present invention does not limit the quantity of the sub-pixel 430 of each pixel unit 420a same color, can also be with
It is two, four or more, in order to guarantee the consistency of 420 inside display brightness of transparence display region, multiple pictures of division
The quantity of the sub-pixel 430 of same color can be identical, different pixels unit 420a sub-pixel 430 in plain unit 420a
Arrangement mode it is identical, may refer to structure shown in Fig. 8.
The display panel 400 that the various embodiments described above of the present invention provide, in order to realize that it is bright that raising transparence display region 420 is shown
Degree, the effect to reduce transparence display region 420 Yu 410 luminance difference of display area, by the sub-pixel for connecting same color
430 anode electrode 430a, and the sub-pixel 430 that these anode electrodes 430a is connected is preferably the sub-pixel being positioned proximate to
430, so that the light-emitting area of 420 sub-pixel 430 of transparence display region is greater than existing display surface when display panel 400 scans
The light-emitting area of the transparence display region sub-pixel of plate.
Optionally, in the embodiment of the present invention, transparence display region 420 can be designed as rectangle, circle or other shapes, should
The shape in transparence display region 420 can carry out reasonable according to the device shape for being set to 420 backlight side of transparence display region
Configuration.
In practical applications, as in Fig. 5, Fig. 6 and transparence display region 420 shown in Fig. 8, dotted line in transparent region 440
Rectangle grid it is practical be empty, that is, the film layer belonging to sub-pixel 430 of display panel 400 (i.e. electrode layer and luminescent layer) produced
In the rectangle grid that is illustrated there is no dotted line, the region except electrode layer and luminescent layer sub-pixel 430 can fill
There is transparent material, to realize the translucent effect of transparent region 440, indicates anode electrode 430a in Fig. 5, Fig. 6 and Fig. 8
The relative positional relationship for the sub-pixel 430 being connected is carried out in transparent region 440 with same size and the dotted line of spread pattern
Filling.
Based on the display panel 400 that the various embodiments described above of the present invention provide, the embodiment of the present invention also provides a kind of display surface
The production method of plate, the production method of the display panel are used to make the display panel that any of the above-described embodiment of the present invention provides
400。
As shown in figure 9, being a kind of flow chart of the production method of display panel provided in an embodiment of the present invention.The present invention is real
The method for applying example offer, may include steps of:
S510 forms the display area of display panel and the anode layer film of transparence display region sub-pixel；
S520 is patterned processing using anode layer mask plate anode layer film, forms the anode electrode of sub-pixel,
The anode electrode for being formed by the sub-pixel of at least two same colors in transparence display region is connected.
In embodiments of the present invention, transparence display region in the offer of any embodiment shown in Fig. 5, Fig. 6 and Fig. 8 is provided
The relational structure of sub-pixel and anode electrode, and using display panel made by production method provided in an embodiment of the present invention
For the display panel shielded comprehensively, and it is self luminescent display panel, such as can is oled panel, micro LED panel, or
The other types of display panel from main light emission may be implemented in person.The sub-pixel of emissive type display panel usually may include sun
Pole electrode layer, organic luminous layer (Electro-Luminescence, referred to as are as follows: EL) and negative electrode layer.Based on above-mentioned Fig. 5,
The architectural difference in transparence display region and transparence display region in existing display panel, this hair in display panel shown in Fig. 6 and Fig. 8
In the production method for the display panel that bright embodiment provides, transparence display region sub-pixel is that in place of the difference of production
The metal routing of anode electrode, the i.e. production method are the anode electricity for making display panel sub-pixel provided by the above embodiment
The embodiment of pole.
It is similar with the production conventional making technology of display panel Anodic electrode, it can first be made when making anode electrode
It is subsequently used for forming the anode layer film of anode electrode, which for example can be to have using what depositing technics was formed
Certain thickness metal film layer.It then, can be using the good anode layer mask plate (Anode mask) of pre-production to the metal
Film layer is patterned processing, which may include the techniques such as gluing, exposure, development and etching, i.e., according to pre-
The mode first configured forms the anode electrode of sub-pixel, in the transparence display region formed using above-mentioned steps and anode mask plate
The structure of anode electrode are as follows: the anode electrode of the sub-pixel of at least two same colors is connected.In addition, display area neutron picture
Element anode electrode structure then with it is similar in the prior art, do not do herein specifically.
Using the production method of display panel provided in an embodiment of the present invention, it is formed by the sun of display panel sub-pixel
Pole electrode has structure identical with the display panel that above-mentioned embodiment illustrated in fig. 5 provides, and the scanning mode of the display panel
Identical as the scanning mode of display panel shown in above-mentioned Fig. 5, i.e. the scanning mode in transparence display region is then, while opening anode
The sub-pixel for multiple same colors that electrode is connected.The production method of display panel provided in an embodiment of the present invention, it is only necessary to change
The anode layer mask plate for becoming anode electrode can produce the anode electrode such as display panel in above-mentioned any embodiment, that is, be not necessarily to
Change the opening area of PDL and FMM, so that it may which the effective light-emitting area for improving transparence display region, realizing raising, this is saturating
The purpose of overall brightness in bright display area.In addition, the technology mode of production method provided in an embodiment of the present invention is easily achieved,
Its manufacturing cost is lower and high yield rate.
It should be noted that using the production method of display panel provided in an embodiment of the present invention, produced display
The anode electrode of panel sub-pixel, the specially anode electrode of transparence display region sub-pixel, have with shown in above-mentioned Fig. 5
The identical structure of display panel that any embodiment provides, the specific structure and example being referred in above-mentioned display panel,
This is repeated no more.
The production method of display panel provided in an embodiment of the present invention, by forming the display area of display panel and transparent
The anode layer film of display area sub-pixel, and processing, shape are patterned using anode layer mask plate anode layer film
At the anode electrode of sub-pixel, wherein be formed by the anode of the sub-pixel of at least two same colors in transparence display region
Electrode is connected, so as to effectively improve the display brightness in transparence display region.The production of display panel provided by the invention
Method is reasonably designed by the anode layer mask plate to transparence display region sub-pixel, solves existing comprehensive screen
In display panel, since transparence display region will be compatible with transparent and two kinds of functions of display, and lead in display panel that there are brightness
The problem of difference.In addition, the embodiment of the present invention is not in the case where changing PDL and FMM opening area, so that it may effective to improve
The light-emitting area in transparence display region, so as to avoid by increase transparence display region in PDL and FMM opening area to routine
Adverse effect caused by the split shed area of display area, and the technology mode that anode electrode is made in the embodiment of the present invention is easy to real
It is existing, it advantageously reduces manufacturing cost and improves yield rate.
Optionally, Figure 10 is the flow chart of the production method of another display panel provided in an embodiment of the present invention, upper
On the basis of stating embodiment illustrated in fig. 9, production method provided in an embodiment of the present invention can also include: before S510
S500 forms the tft array layer of display panel, is formed by the drive in tft array layer including multiple groups array arrangement
Dynamic TFT；
The implementation of the S520 of the embodiment of the present invention can be with are as follows:
Processing is patterned using anode layer mask plate anode layer film, forms the anode electrode of sub-pixel, institute's shape
At transparence display region in sub-pixel include be provided with driving TFT the first sub-pixel and it is not set driving TFT second
Sub-pixel, and the sub-pixel of at least two same colors that anode electrode is connected includes first sub-pixel and at least one
Second sub-pixel.
Normally, the opening and closing of display panel sub-pixel during the scanning process, by one-to-one with sub-pixel
TFT is driven to control, i.e., in conventional display panel, each sub-pixel is connected on one group of driving TFT, driving TFT's in this way
Quantity is identical as the quantity of sub-pixel, and multiple TFT transistors (for example, 6 or 7) are generally included in one group of driving TFT,
Driving TFT needs to avoid the light emitting region and partially transparent region of each sub-pixel when designing tft array layer, since this is existing aobvious
Show in the structure of panel, drive the quantity of TFT more, therefore, transparence display region PPI in design is lower, increases transparent
The luminance difference of display area and normal display area.The pixel density in transparence display region with reference to shown in Fig. 7, can see
Out, due to being driven the influence of the circuit occupied area of TFT, the density of 330 sub-pixel of transparence display region is very low.
In contrast, the display panel that production method is produced is provided using the embodiment of the present invention, due to anode layer exposure mask
The graphic designs of plate, in being formed by transparence display region, the anode electrode of the sub-pixel of multiple same colors is connected, and
In multiple sub-pixels that anode electrode is connected, an only sub-pixel is the first sub-pixel for being provided with driving TFT, Qi Tayu
The second sub-pixel that the anode electrode of first sub-pixel is connected then not set driving TFT, but it is total with first sub-pixel
With one group of driving TFT, i.e., sub-pixel (including 431 He of the first sub-pixel for multiple same colors is controlled by one group of driving TFT
At least one second sub-pixel 432) it lights simultaneously, therefore, the driving TFT in the embodiment of the present invention, which can drive, is provided with the drive
The opening and closing of the first sub-pixel and the second sub-pixel being connected with the anode electrode of first sub-pixel of dynamic TFT, phase
The structure of Ying Di, above-mentioned transparence display region can reduce the circuit occupied area of TFT transistor in tft array layer, that is, reduce
Metal shading-area, therefore the penetrance of subelement is increased, further increase the display brightness in transparence display region.
The pixel density in transparence display region in display panel provided in an embodiment of the present invention shown in comparison diagram 5, Fig. 6 and Fig. 8, with Fig. 7
The pixel density in the shown region of transparence display in the prior art, it can be seen that transparent after the quantity of driving TFT significantly reduces
The density of display area sub-pixel increases, and the quantity of the sub-pixel due to lighting when scanning increases, in transparence display region
The increase of PPI will not influence its display brightness.Comparison diagram 5 (or Fig. 6, Fig. 8) and Fig. 7 it can be concluded that, production of the embodiment of the present invention
Display panel, the light-emitting area in transparence display region under unit area increases, and improves the display brightness in the region, effectively
Ground improves the luminance difference of transparence display region and display area.
It should be noted that using the production method of display panel provided in an embodiment of the present invention, produced display
The anode electrode of panel sub-pixel, the specially anode electrode of transparence display region sub-pixel, transparence display drive in region
The corresponding relationship of driving TFT and sub-pixel in the set-up mode and driving method and pixel unit of dynamic TFT, have with it is above-mentioned
The identical structure of display panel that any embodiment shown in Fig. 8 provides, be referred to specific structure in above-mentioned display panel and
Example, and identical technical effect may be implemented, details are not described herein.
Based on the display panel 400 that the various embodiments described above of the present invention provide, the embodiment of the present invention also provides a kind of display dress
It sets.
It as shown in figure 11, is a kind of structural schematic diagram of display device provided in an embodiment of the present invention, the embodiment of the present invention
The display device 40 of offer may include the display panel in any embodiment shown in above-mentioned Fig. 4 to the Fig. 6 and Fig. 8 of the present invention
400, and be set to the side of the display panel 400 far from light-emitting surface and be located at the orthographic projection region in transparence display region 420
Camera module 450；The specific structure inside transparence display region 420 is not illustrated in Figure 11, may refer to Fig. 5, Fig. 6 and figure
Structure shown in 8.
The camera module 450 is used for while display panel 400 shows image, by transparence display region 420
Transparent region 440 shoots image.
Transparence display region 420 is arranged in the embodiment of the present invention in display panel 400, and in transparence display region 420
The purpose of middle setting transparent region 440 is that by the light-permeable and non-show is realized in non-display region (i.e. transparent region 440)
The other functions of showing, for example, camera function.Therefore, in side (i.e. display surface of the transparence display region 420 far from light-emitting surface
The side that plate 400 is watched far from user) setting functional form device, for example, camera module 450, or be other types of function
Device.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (9)
1. a kind of display panel characterized by comprising display area and transparence display region；
The transparence display region includes multiple sub-pixels and transparent region, the anode electricity of the sub-pixel of at least two same colors
Pole is connected.
2. display panel according to claim 1, which is characterized in that the sub-pixel in the transparence display region includes setting
It is equipped with the first sub-pixel of driving thin film transistor (TFT) TFT and the second sub-pixel of not set driving TFT；
The sub-pixel at least two same colors that the anode electrode is connected includes first sub-pixel and at least one
Second sub-pixel.
3. display panel according to claim 2, which is characterized in that the sub-pixel includes at least three kinds of colors, described
Transparence display region division is the pixel unit of multiple array arrangements, includes one of each color in each pixel unit
At least one second sub-pixel of first sub-pixel and each color；In each pixel unit, the first son of each color
The anode electrode of pixel is connected with the anode electrode of at least one the second sub-pixel of same color respectively.
4. display panel according to claim 2, which is characterized in that
The driving TFT, for driving the first sub-pixel for being provided with the TFT and the anode electrode with first sub-pixel
The opening and closing for the second sub-pixel being connected.
5. display panel according to any one of claims 1 to 4, which is characterized in that
The sub-pixel at least two same colors that the anode electrode is connected is the sub-pixel of adjacent position.
6. display panel according to any one of claims 1 to 4, which is characterized in that
The sub-pixel at least two same colors that the anode electrode is connected, for the scanning process in the display panel
In open or close simultaneously.
7. display panel according to any one of claims 1 to 4, which is characterized in that the anode electrode was connected
The sub-pixel of at least two same colors is located in the different subpixel row of the display panel.
8. display panel according to any one of claims 1 to 4, which is characterized in that the shape in the transparence display region
Shape is rectangle or circle.
9. a kind of display device characterized by comprising such as display panel according to any one of claims 1 to 8, and
It is set to side of the display panel far from light-emitting surface and is located at the camera shooting mould in the orthographic projection region in the transparence display region
Group；
The camera module is used for while the display panel shows image, by saturating in the transparence display region
Area pellucida domain shoots image.
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| GB2622116A (en) * | 2020-09-03 | 2024-03-06 | Lg Display Co Ltd | Display panel and display device including the same |
| US11785799B2 (en) | 2020-09-17 | 2023-10-10 | Samsung Display Co., Ltd. | Display apparatus including multi-base and multi-barrier layer substrate |
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| CN109192076B (en) | 2021-01-26 |
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