CN108666344A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108666344A CN108666344A CN201710213801.XA CN201710213801A CN108666344A CN 108666344 A CN108666344 A CN 108666344A CN 201710213801 A CN201710213801 A CN 201710213801A CN 108666344 A CN108666344 A CN 108666344A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel and display devices.The display panel includes substrate, and organic luminescent device on the substrate, and the thin-film encapsulation layer of the covering organic luminescent device is arranged；The thin-film encapsulation layer includes the multiple film layers being stacked, and along close to the direction of the organic luminescent device, the refractive index of the multiple film layer gradually increases.It can solve due to existing display panel to include polaroid using display panel provided in an embodiment of the present invention, reduce the thickness of display panel, so that the bending resistance of display panel is relatively low, display brightness of display panel and the same relatively low problem of luminous efficiency, it realizes under the premise of ensuring that display panel has lower reflectivity to ambient light, improves the bending resistance of display panel, the purpose of display brightness and luminous efficiency.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of display panel and display devices.
Background technology
Organic light emitting display (Organic light Emitting Display, OLED), backlight is not needed due to having
Source, the technological merits such as contrast is high, thickness is thin, visual angle is wide, reaction speed, bending resistance are good, have become display industry and develop
One of emphasis direction.
In order to improve the contrast and outdoor readable of display panel, it is usually provided with polaroid on display panel at present,
For reducing display panel to the reflectivity of ambient light.Fig. 1 a are a kind of structural schematic diagrams of existing display panel.Fig. 1 b are
The fundamental diagram of display panel in Fig. 1 a.Referring to Fig. 1 a and Fig. 1 b, which includes the substrate being cascading
11, organic luminescent device 12, quarter-wave plate 13 and polaroid 14.When in use, extraneous ambient light is by polarisation
Become linearly polarized light after piece 14, linearly polarized light becomes circularly polarized light using quarter-wave plate 13, and circularly polarized light is by organic hair
Optical device 12 reflects rear polarizer direction and changes, and the circularly polarized light that polarization direction changes again passes by quarter-wave plate
13 become linearly polarized light, and the polarization direction of the linearly polarized light formed at this time is vertical with the polarizing axis of polaroid 14, can not pass through
Polaroid 14 is emitted.Setting can effectively reduce reflectivity of the display panel to ambient light in this way.
But in actual production design, due to the limitation of technology, the thickness of present polaroid 14 is typically larger than 100 μm,
Undoubtedly polaroid 14 thick in this way, can reduce the bending resistance of display panel.In addition, since polaroid can absorb organic light emission
The light that device is sent out so that the optics penetrance of polaroid 14 is generally less than 50%, this can be to the display brightness of display panel
It is impacted with luminous efficiency.
Invention content
The present invention provides a kind of display panel and display device, with realize ensure display panel to ambient light have compared with
Under the premise of low reflectivity, bending resistance, display brightness and the luminous efficiency of display panel are improved.
In a first aspect, an embodiment of the present invention provides a kind of display panel, which includes substrate, is arranged in institute
State the organic luminescent device on substrate, and the thin-film encapsulation layer of the covering organic luminescent device；
The thin-film encapsulation layer includes the multiple film layers being stacked, along close to the direction of the organic luminescent device, institute
The refractive index for stating multiple film layers gradually increases.
Further, the thin-film encapsulation layer includes three film layers being cascading, respectively the first film layer, second
Film layer and third membrane layer；
The third membrane layer is located at close to the side of the organic luminescent device, and first film layer is located to be had away from described
The side of machine luminescent device；
The thickness of first film layer is T1, range meets formula
The thickness of second film layer is T2, range meets formula
The thickness of the third membrane layer is T3, range meets formula
Wherein, n1For the refractive index of first film layer, n2For the refractive index of second film layer, n3For the tertiary membrane
The refractive index of layer, and n1≤n2≤n3,450nm≤λ≤550nm。
Further, the material of first film layer is at least one of aluminum oxide and aluminum oxynitride.
Further, second film layer is doped at least one of metal and metal oxide.
Further, the material of the third membrane layer is at least one of silicon nitride, titanium oxide and silicon oxynitride.
Further, the third membrane layer is doped at least one of lithium fluoride and magnesium fluoride.
Further, the organic luminescent device includes pixel light emission area and the pixel between the pixel light emission area
Definition；
The display panel further includes the filter for being set to the thin-film encapsulation layer away from the side of the organic luminescent device
Light film, the filter coating include open region and shading region, and the open region is corresponding with the pixel light emission area, the shading region with
The pixel definition area corresponds to.
Further, the material of the open region of the filter coating is transparent organic material.
Further, the shading region of the filter coating is doped with black pigment.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, which includes the embodiment of the present invention
Any one display panel provided.
The envelope of film described in display panel is arranged by giving up the polaroid in existing display panel in the embodiment of the present invention
It includes the multiple film layers being stacked to fill layer, along close to the direction of the organic luminescent device, the refractive index of the multiple film layer
Gradually increase, solves since existing display panel includes polaroid, reduce the thickness of display panel so that display surface
The bending resistance of plate is relatively low, display panel display brightness and the same relatively low problem of luminous efficiency, and realizing is ensuring to show
Under the premise of panel has lower reflectivity to ambient light, bending resistance, display brightness and the effect that shines of display panel are improved
The purpose of rate.
Description of the drawings
Fig. 1 a are a kind of existing structural schematic diagram of display panel；
Fig. 1 b are the fundamental diagram of display panel in Fig. 1 a；
Fig. 2 a are a kind of structural schematic diagram of display panel provided by Embodiment 2 of the present invention；
Fig. 2 b are the fundamental diagram of display panel in Fig. 2 a；
Fig. 3 is a kind of structural schematic diagram for display panel that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram for display device that the embodiment of the present invention four provides.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
The embodiment of the present invention one provides a kind of display panel.The display panel includes substrate, and what is be disposed on the substrate has
Machine luminescent device, and cover the thin-film encapsulation layer of the organic luminescent device.The thin-film encapsulation layer include be stacked it is multiple
Film layer, along close to the direction of the organic luminescent device, the refractive index for constituting each film layer of thin-film encapsulation layer gradually increases.
When actual design, by selecting the material suitably for making each film layer for constituting thin-film encapsulation layer, Yi Jihou
Degree, can make when in use, and extraneous ambient light is after being incident on the thin-film encapsulation layer, the different film layers in thin-film encapsulation layer
Interface form reflected light of the phase difference at 180 °, such reflected light can occur destructive interference, can mutually offset each other
Disappear.Setting can achieve the purpose that the reflectivity for reducing display panel to ambient light in this way.After tested, present techniques side is utilized
Display panel can be reduced to 10% or less by case to the reflectivity of ambient light.
By giving up the polaroid in existing display panel, and display panel is arranged in display panel provided in this embodiment
Middle thin-film encapsulation layer includes the multiple film layers being stacked, along close to the direction of organic luminescent device, the refractive index of multiple film layers
Gradually increase, solve since existing display panel includes polaroid so that the bending resistance of display panel is relatively low, shows
The same relatively low problem of the display brightness and luminous efficiency of panel, realizing is ensuring display panel to ambient light with lower
Under the premise of reflectivity, the thickness of display panel is reduced, improves bending resistance, display brightness and the luminous efficiency of display panel
Purpose.
It should be noted that in specific design, the film layer number for constituting thin-film encapsulation layer is fewer, the thickness of thin-film encapsulation layer
Smaller, the stress that thin-film encapsulation layer is subject to when bending is smaller, and the bending resistance of display panel is better, and display panel is less susceptible to damage
It is bad.Optionally, thin-film encapsulation layer stacks gradually layer setting by trilamellar membrane layer or five tunic layers.
Further, based on the above technical solution, optionally, constitute thin-film encapsulation layer in each film layer according to inorganic
The alternately laminated formation of mode of layer, organic layer, inorganic layer, organic layer ....Mainly there are two aspects for the benefit being arranged in this way：One
Aspect, since the ability that inorganic layer completely cuts off water oxygen is preferable, setting in this way can improve the ability of the water resistant oxygen attack of display panel,
Extend the service life of display panel；On the other hand, consider to be used as thin-film encapsulation layer after inorganic layer is directly overlapped with inorganic layer, due to nothing
Binding force between machine layer and inorganic layer is bigger, and in bending, along inorganic layer extending direction, stress is easy to accumulate, display surface
The stress that plate is subject to is very big, is susceptible to the bad phenomenons such as breakage.And use inorganic layer, organic layer, inorganic layer, organic layer ...
The alternately laminated formation of mode thin-film encapsulation layer, due to the binding force very little between inorganic layer and organic layer, in bending, edge
Inorganic layer extending direction, display panel stress accumulation is seldom, and the stress very little that display panel is subject to will not damage display panel.
Embodiment two
Fig. 2 a are the structural schematic diagram of display panel provided by Embodiment 2 of the present invention, and Fig. 2 b are the display surface that Fig. 2 a are provided
The fundamental diagram of plate.The present embodiment technical solution is a specific example of the display panel provided in embodiment one, at this
Thin-film encapsulation layer includes three film layers in embodiment.
Specifically, referring to Fig. 2 a, which includes substrate 21, and organic luminescent device 22 on the base plate (21 is arranged,
And cover the thin-film encapsulation layer 23 of the organic luminescent device 22.The thin-film encapsulation layer 23 includes three film layers being stacked,
Along close to the direction of the organic luminescent device 22, the refractive index for constituting three film layers of thin-film encapsulation layer gradually increases.
With continued reference to Fig. 2 a, three film layers of thin-film encapsulation layer are constituted in the display panel, respectively the first film layer 231,
Second film layer 232 and third membrane layer 233.Third membrane layer 233 is located at close to the side of organic luminescent device 22, the first film layer 231
Positioned at away from the side of organic luminescent device 22, the second film layer 232 is between the first film layer 231 and third membrane layer 233, and first
Film layer 231, the second film layer 232 and third membrane layer 233 constitute sandwich structure.The thickness of first film layer 231 is T1, range is full
Sufficient formulaThe thickness of 20nm, the second film layer 232 are T2, range meets formulaThe
The thickness of three film layers 233 is T3, range meets formulaWherein, n1For the refraction of the first film layer 231
Rate, n2For the refractive index of the second film layer 232, n3For the refractive index of third membrane layer 233, and n1≤n2≤n3, λ is visible wavelength model
Enclose interior centre wavelength, 450nm≤λ≤550nm.Optionally, λ is equal to 500nm.The benefit being arranged in this way is can to make the external world
Ambient light forms effective destructive interference, while significantly absorbing and reflecting work to luminous do not have of organic luminescent device 22
With.
Specifically, referring to Fig. 2 b, when in use, extraneous ambient light is sealed after being incident on the thin-film encapsulation layer in film
The reflected light for filling the interface formation of different film layers in layer is equal in magnitude, and direction is on the contrary, such reflected light is coherent light, each other
It can offset each other, and then achieve the purpose that the reflectivity for reducing display panel to ambient light.
Further, in order to improve display panel water resistant oxygen attack ability, extend the service life of display panel, reduce it is curved
The stress that display panel is subject to when folding is optionally arranged in thin-film encapsulation layer, the material of the first film layer 231 and third membrane layer 233
Material for inorganic material, the second film layer 232 is organic material.Illustratively, the material of the first film layer 231 can be alumina
At least one of object and aluminum oxynitride.In order to improve the refractive index of the second film layer 232, optionally, the second film layer 232 can mix
It is miscellaneous to have at least one of metal and metal oxide.The material of third membrane layer 233 can be silicon nitride, titanium oxide and oxynitriding
At least one of silicon.In order to reduce the refractive index of third membrane layer 233, third membrane layer 233 can be doped with lithium fluoride and fluorination
At least one of magnesium.
Display panel provided in this embodiment is arranged by giving up the polaroid in existing display panel in display panel
Thin-film encapsulation layer includes three film layers being stacked, and is arranged along close to the direction of organic luminescent device, three film layers
Refractive index gradually increases, and the thickness of three film layers meets specific relational expression, solves since existing display panel includes
Polaroid so that the bending resistance of display panel is relatively low, display panel display brightness and the same relatively low problem of luminous efficiency,
It realizes under the premise of ensuring that display panel has lower reflectivity to ambient light, reduces the thickness of display panel, carry
The bending resistance of high display panel, the purpose of display brightness and luminous efficiency.
Embodiment three
Fig. 3 is the structural schematic diagram for the display panel that the embodiment of the present invention three provides.The technology provided with above-described embodiment
Scheme is compared, and display panel provided by the present application further includes filter coating.
Referring to Fig. 3, in the display panel, organic luminescent device include pixel light emission area 31 and positioned at pixel light emission area 31 it
Between pixel definition area 32.Display panel further includes the optical filtering for being set to thin-film encapsulation layer 23 and deviating from 22 side of organic luminescent device
Film 26, filter coating 26 include open region 261 and shading region 262, open region 261 is corresponding with pixel light emission area 31, shading region 262 and
Pixel definition area 32 corresponds to.The light that the open region 261 of filter coating 26 is used to send out display panel organic luminescent device 22 passes
Broadcast is gone, and the shading region 262 of filter coating 26 is used to block the metal routing below pixel definition area 32, absorbs external environment illumination
It is mapped to the light of the shading region 32, to reduce reflectivity of the display panel to ambient light, improves the contrast of display panel.
Optionally, the material of the open region 261 of filter coating 26 can be transparent organic material, such as acrylic.Filter coating
26 shading region 262 can be doped with black pigment.
Display panel provided in this embodiment can further decrease display panel to environment by adding filter coating 26
The reflectivity of light improves the display brightness of display panel and the purpose of luminous efficiency.
With continued reference to Fig. 3, pixel light emission area 31 and the interval of pixel definition area 32 are arranged in the panel substrate 21.
Include the thin film transistor (TFT) 24 being formed on substrate 21 in pixel definition area 32, and is formed in thin film transistor (TFT) 24 and deviates from substrate
The pixel confining layer 25 of 21 sides.
The thin film transistor (TFT) 24 may include grid 241, gate insulation layer 242, active layer 243, source electrode 244 and drain electrode 245.
Thin film transistor (TFT) 24 can be the thin film transistor (TFT) of bottom grating structure (grid 241 is between substrate 21 and active layer 243), also may be used
Think the thin film transistor (TFT) of top gate structure (active layer 243 is between substrate 21 and grid 241).Illustratively, in figure 3,
Thin film transistor (TFT) 24 is the thin film transistor (TFT) of bottom grating structure, and active layer 243 is formed in 241 top of grid, i.e., grid 241 is located at base
Between plate 21 and active layer 243.Grid 241 can form on the base plate (21 and conductive.Gate insulation layer 242 can be with shape
At on grid 241, and cover grid 241.Gate insulation layer 242 makes grid 241 insulate with active layer 243.Active layer 243 can be with
It is formed on gate insulation layer 242.Active layer 243 can be corresponding with grid 241, such as active layer 243 is Chong Die with grid 241.
Active layer 243 may include source region mixed with N-shaped or p type impurity and drain region and the ditch for source region and drain region to be connected to each other
Road area.In general, source region and drain region are respectively formed at the both ends of active layer 243, and channel region is formed in active layer 243
Portion.Active layer 243 may include semi-conducting material.Source electrode 244 and drain electrode 245 can be formed on active layer 243.Source electrode 244
It can be separated from each other, and can be electrically connected to each other by serving as the active layer 243 of raceway groove with drain electrode 245.Source electrode 244 and drain electrode
245 can be respectively electrically connected to the source region of active layer 243 and drain region.Source electrode 244 and drain electrode 245 all have electric conductivity.
Organic luminescent device 22 includes multiple luminescence units, which is arranged in a one-to-one correspondence with pixel light emission area 31.
Luminescence unit includes first electrode 221, second electrode 222 and is formed in having between first electrode 221 and second electrode 222
Machine luminescent layer 223, wherein first electrode 221 can be anode, and second electrode 222 can be that cathode or first electrode 221 can
Think that cathode, second electrode 222 can be anode.
The principle of luminosity of luminescence unit is：Apply a biased electrical between the anode and cathode of organic light emitting display panel
Pressure, hole and electronics break through interface energy barrier, are migrated to organic luminous layer 223, on organic luminous layer 223, electrons and holes are multiple
It closes and generates exciton, exciton is unstable, gives off energy, and transfers energy to point of organic luminescent substance in organic luminous layer 223
Son makes it from ground state transition to excitation state.Excitation state is very unstable, and excited molecule returns to ground state from excitation state, radiation transistion and
Generate luminescence phenomenon.
Example IV
Fig. 4 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.Referring to Fig. 4, the display device 101
Including any one display panel 201 provided in an embodiment of the present invention.The organic light-emitting display device 101 is specifically as follows hand
The information enquiry machine etc. of machine, laptop, intelligent wearable device and saloon.
Thin-film encapsulation layer in display panel is arranged by giving up the polaroid in existing display panel in the embodiment of the present invention
Including the multiple film layers being stacked, along close to the direction of organic luminescent device, the refractive index of multiple film layers gradually increases, and solves
Since existing display panel includes polaroid so that the bending resistance of display panel is relatively low, display of display panel is bright
Degree and the same relatively low problem of luminous efficiency, realizing is ensuring display panel to premise of the ambient light with lower reflectivity
Under, the thickness of display panel is reduced, the bending resistance of display panel, the purpose of display brightness and luminous efficiency are improved.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, can carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and replacement are without departing from protection scope of the present invention.Therefore, although by above example to the present invention carried out compared with
For detailed description, but the present invention is not limited only to above example, without departing from the inventive concept, can be with
Including other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of display panel, which is characterized in that including substrate is arranged organic luminescent device on the substrate, and covers
Cover the thin-film encapsulation layer of the organic luminescent device；
Wherein, the thin-film encapsulation layer includes the multiple film layers being stacked, along close to the direction of the organic luminescent device, institute
The refractive index for stating multiple film layers gradually increases.
2. display panel according to claim 1, which is characterized in that the thin-film encapsulation layer includes being cascading
Three film layers, respectively the first film layer, the second film layer and third membrane layer；
The third membrane layer is located at close to the side of the organic luminescent device, and first film layer, which is located at, deviates from organic hair
The side of optical device；
The thickness of first film layer is T1, range meets formula
The thickness of second film layer is T2, range meets formula
The thickness of the third membrane layer is T3, range meets formula
Wherein, n1For the refractive index of first film layer, n2For the refractive index of second film layer, n3For the third membrane layer
Refractive index, and n1≤n2≤n3,450nm≤λ≤550nm。
3. display panel according to claim 2, which is characterized in that
The material of first film layer is at least one of aluminum oxide and aluminum oxynitride.
4. display panel according to claim 2, which is characterized in that
Second film layer is doped at least one of metal and metal oxide.
5. display panel according to claim 2, which is characterized in that
The material of the third membrane layer is at least one of silicon nitride, titanium oxide and silicon oxynitride.
6. display panel according to claim 5, which is characterized in that
The third membrane layer is doped at least one of lithium fluoride and magnesium fluoride.
7. display panel according to claim 1, which is characterized in that the organic luminescent device include pixel light emission area and
Pixel definition area between the pixel light emission area；
The display panel further includes the filter coating for being set to the thin-film encapsulation layer away from the side of the organic luminescent device,
The filter coating includes open region and shading region, and the open region is corresponding with the pixel light emission area, the shading region with it is described
Pixel definition area corresponds to.
8. display panel according to claim 7, which is characterized in that
The material of the open region of the filter coating is transparent organic material.
9. display panel according to claim 7, which is characterized in that
The shading region of the filter coating is doped with black pigment.
10. a kind of display device, which is characterized in that the display device includes any display surface in claim 1-9
Plate.
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| CN201710213801.XA CN108666344A (en) | 2017-04-01 | 2017-04-01 | Display panel and display device |
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| CN201710213801.XA CN108666344A (en) | 2017-04-01 | 2017-04-01 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109613747A (en) * | 2019-02-15 | 2019-04-12 | 合肥京东方光电科技有限公司 | Array substrate for reflective display panel and preparation method thereof and display panel |
| CN109841758A (en) * | 2019-03-29 | 2019-06-04 | 京东方科技集团股份有限公司 | Display panel and its manufacturing method, display device |
| CN110323354A (en) * | 2019-04-25 | 2019-10-11 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110335955A (en) * | 2019-04-24 | 2019-10-15 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110504382A (en) * | 2019-08-26 | 2019-11-26 | 昆山国显光电有限公司 | A kind of display panel and display device |
| CN111354862A (en) * | 2018-12-20 | 2020-06-30 | 上海和辉光电有限公司 | Organic electroluminescent display panel and display device |
| CN111384282A (en) * | 2018-12-27 | 2020-07-07 | Tcl集团股份有限公司 | Packaging film, preparation method thereof and light-emitting display device |
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| CN111766737A (en) * | 2020-07-30 | 2020-10-13 | 京东方科技集团股份有限公司 | Display module and display device |
| CN112420956A (en) * | 2020-11-18 | 2021-02-26 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN113629209A (en) * | 2021-07-26 | 2021-11-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| CN115083277A (en) * | 2022-06-22 | 2022-09-20 | 合肥维信诺科技有限公司 | Display module and display device |
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