CN112015301B - OLED display device, manufacturing method thereof and display device - Google Patents
OLED display device, manufacturing method thereof and display device Download PDFInfo
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- CN112015301B CN112015301B CN202010895907.4A CN202010895907A CN112015301B CN 112015301 B CN112015301 B CN 112015301B CN 202010895907 A CN202010895907 A CN 202010895907A CN 112015301 B CN112015301 B CN 112015301B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 252
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000005538 encapsulation Methods 0.000 claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 239000011810 insulating material Substances 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 6
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
-
- 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
- H10K59/40—OLEDs integrated with touch screens
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention provides an OLED display device, a manufacturing method thereof and a display device, and belongs to the technical field of display. Wherein, OLED display device includes: an OLED display substrate; an encapsulation layer covering the OLED display substrate; the touch control layer is positioned on one side of the packaging layer away from the OLED display substrate; a protective layer covering the touch layer; the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings. The OLED display device provided by the invention has both a reflection function and a display function.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED display device, a manufacturing method thereof and a display device.
Background
An OLED (Organic Light-Emitting Diode) display device has been listed as a next-generation display technology with great development prospects due to its advantages of thinness, lightness, wide viewing angle, active Light emission, continuous and adjustable Light emission color, low cost, fast response speed, low energy consumption, low driving voltage, wide operating temperature range, simple production process, high Light emission efficiency, flexible display, and the like.
However, the existing OLED device can only display pictures, and has a single function.
Disclosure of Invention
The invention aims to provide an OLED display device, a manufacturing method thereof and a display device, and has both a reflection function and a display function.
In order to solve the technical problems, the embodiment of the invention provides the following technical scheme:
in one aspect, there is provided an OLED display device including:
an OLED display substrate;
an encapsulation layer covering the OLED display substrate;
the touch control layer is positioned on one side of the packaging layer away from the OLED display substrate;
a protective layer covering the touch layer;
the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings.
In some embodiments, the touch layer includes a first conductive layer, an insulating layer, and a second conductive layer that are sequentially disposed, a pattern of the first conductive layer includes a touch electrode bridge, and a pattern of the second conductive layer includes a touch electrode, and the touch electrode bridge is connected to the touch electrode through a via penetrating the insulating layer.
In some embodiments, the reflective layer is made of a conductive material or an insulating material, and the reflective layer is located between the first conductive layer and the insulating layer; and/or
The reflective layer is located between the second conductive layer and the insulating layer.
In some embodiments, the reflective layer is made of an insulating material, and the reflective layer is multiplexed as the insulating layer.
In some embodiments, the insulating material comprises niobium oxide, zirconium oxide.
In some embodiments, the first conductive layer is made of reflective metal, and the reflective layer and the touch electrode bridge are arranged in the same layer and the same material and are insulated from each other.
In some embodiments, the openings are in one-to-one correspondence with the sub-pixels of the OLED display substrate, and the orthographic projection of the sub-pixels of the OLED display substrate on the plane where the reflective layer is located falls into the corresponding openings.
In some embodiments, the OLED display substrate includes a reflective region, and an orthographic projection of the reflective layer on the OLED display substrate is located in the reflective region.
The embodiment of the invention also provides a display device comprising the OLED device.
The embodiment of the invention also provides a manufacturing method of the OLED display device, which comprises the following steps:
forming an OLED display substrate;
forming an encapsulation layer covering the OLED display substrate;
forming a touch control layer on one side of the packaging layer far away from the OLED display substrate, wherein the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings;
and forming a protective layer covering the touch control layer.
The embodiment of the invention has the following beneficial effects:
in the scheme, the OLED display device comprises the touch layer, the touch layer comprises the reflecting layer, the reflecting layer can play a role in reflecting when the OLED display device does not display images and can be used as a mirror surface, and therefore the OLED display device can have both a reflecting function and a display function. In addition, the reflecting layer is integrated in the touch control layer, so that the reflecting layer does not need to be specially manufactured in the OLED display device, and the implementation cost can be reduced.
Drawings
FIG. 1 is a schematic diagram of an OLED display device according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a reflective layer according to an embodiment of the invention;
fig. 3 and fig. 4 are schematic diagrams of a touch layer according to an embodiment of the invention;
fig. 5 to fig. 9 are schematic structural diagrams of a touch layer according to an embodiment of the invention.
Reference numerals
1 OLED display substrate
21. First encapsulation layer
22. Second packaging layer
23. Third packaging layer
3. Buffer layer
4. Touch control layer
5. Protective layer
6. Reflective layer
61. An opening
41. A first conductive layer
42. Insulating layer
43. Second conductive layer
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention more apparent, the following detailed description will be given with reference to the accompanying drawings and the specific embodiments.
The embodiment of the invention provides an OLED display device, a manufacturing method thereof and a display device, and the OLED display device has both a reflection function and a display function.
An embodiment of the present invention provides an OLED display device, as shown in fig. 1, including:
an OLED display substrate 1;
an encapsulation layer covering the OLED display substrate 1, wherein, in order to ensure the encapsulation effect of the encapsulation layer, the encapsulation layer may include a first encapsulation layer 21, a second encapsulation layer 22 and a third encapsulation layer 23 which are sequentially stacked, wherein, the first encapsulation layer 21 and the third encapsulation layer 23 may be made of an inorganic insulating material, such as silicon nitride and silicon oxide, and the second encapsulation layer 22 may be made of an organic insulating material, such as an organic resin;
the touch control layer 4 is positioned on one side of the packaging layer away from the OLED display substrate 1;
a protective layer 5 covering the touch layer 4, wherein the protective layer 5 may be made of an inorganic insulating material, such as silicon nitride and silicon oxide;
the touch layer 4 includes a reflective layer, as shown in fig. 2, the reflective layer 6 includes a plurality of openings 61, and the orthographic projection of the sub-pixels of the OLED display substrate on the plane where the reflective layer 6 is located falls into the openings 61, so that the reflective layer does not affect the display of the sub-pixels.
In this embodiment, the OLED display device includes a touch layer, where the touch layer includes a reflective layer, and the reflective layer may play a role in reflection when the OLED display device does not display an image, and may be used as a mirror surface, so that the OLED display device may have both a reflective function and a display function. In addition, the reflecting layer is integrated in the touch control layer, so that the reflecting layer does not need to be specially manufactured in the OLED display device, and the implementation cost can be reduced.
In some embodiments, as shown in fig. 3-4, the touch layer includes a first conductive layer 41, an insulating layer 42, and a second conductive layer 43 that are sequentially disposed, where the pattern of the first conductive layer 41 includes a touch electrode bridge, and the pattern of the second conductive layer 43 includes a touch electrode, and the touch electrode bridge is connected to the touch electrode through a via hole penetrating through the insulating layer 42.
In this embodiment, the reflective layer may be made of a conductive material, such as a reflective metal, or may be made of an insulating material, such as an oxide of niobium oxide, zirconium oxide, or the like. The reflecting layer is positioned between the first conductive layer and the insulating layer; and/or the reflecting layer is positioned between the second conductive layer and the insulating layer
In some embodiments, as shown in fig. 6, the reflective layer 6 is made of a conductive material, such as silver, aluminum, or other metal, and the reflective layer 6 may be located between the first conductive layer 41 and the insulating layer 42. Because the reflecting layer 6 is made of conductive materials, the reflecting layer 6 contacted with the touch electrode bridge is connected in parallel with the touch electrode bridge, and the resistance of the touch electrode bridge can be reduced; of course, the reflective layer 6 may also be insulated from the touch electrode bridge. Alternatively, the reflective layer 6 may be made of an insulating material.
In some embodiments, as shown in fig. 5, the reflective layer 6 is made of an insulating material, and the reflective layer 6 is located between the second conductive layer 43 and the insulating layer 42. If the reflective layer 6 is made of a conductive material, an insulating film layer is further required to be disposed between the reflective layer 6 and the touch electrode.
Alternatively, in some embodiments, as shown in fig. 7, the reflective layer 6 is located not only between the second conductive layer 43 and the insulating layer 42, but also between the first conductive layer 41 and the insulating layer 42. If the reflective layer 6 is made of a conductive material, an insulating film layer is further required to be disposed between the reflective layer 6 and the touch electrode.
In some embodiments, when the reflective layer is made of an insulating material, as shown in fig. 8, the reflective layer 6 may be multiplexed into the insulating layer 42. Wherein the insulating material comprises niobium oxide and zirconium oxide. Therefore, the insulating layer 42 of the touch control layer can be directly used as the reflecting layer without a special manufacturing process, so that the production process of the OLED display device can be simplified, and the manufacturing cost of the OLED display device can be reduced.
In some embodiments, the first conductive layer 41 is made of reflective metal, such as silver, aluminum, etc., as shown in fig. 9, and the reflective layer 6 and the touch electrode bridge are disposed in the same layer and made of the same material, so that when the touch electrode bridge is fabricated, the reflective layer 6 can be formed by the same patterning process, and the reflective layer 6 does not need to be fabricated by a special patterning process, so that the production process of the OLED display device can be simplified, and the fabrication cost of the OLED display device can be reduced. It should be noted that, in order not to affect the performance of the touch layer, when the reflective layer 6 and the touch electrode bridge are disposed on the same layer and the same material, the reflective layer 6 and the touch electrode bridge are insulated from each other. In this embodiment, the pattern design of the touch electrode is not changed, and the reflective layer can be formed only by means of the metal of the bridging layer of the touch electrode, so that the mirror effect is achieved.
In some embodiments, the openings are in one-to-one correspondence with the sub-pixels of the OLED display substrate, and the orthographic projection of the sub-pixels of the OLED display substrate on the plane where the reflective layer is located falls into the corresponding openings, that is, the area for reflection may be disposed between the light emitting areas.
In this embodiment, the positions of the first conductive layer 41 and the second conductive layer 42 are not limited, and the first conductive layer 41 may be located between the second conductive layer 42 and the OLED display substrate, or the second conductive layer 42 may be located between the first conductive layer 41 and the OLED display substrate.
In some embodiments, the OLED display substrate includes a reflective area, where the orthographic projection of the reflective layer on the OLED display substrate is located in the reflective area, that is, the reflective area is disposed in a partial area of the OLED display substrate, so as to achieve a mirror effect, and other areas can be displayed normally.
The embodiment of the invention also provides a display device comprising the OLED device.
The display device includes, but is not limited to: the system comprises a radio frequency unit, a network module, an audio output unit, an input unit, a sensor, a display unit, a user input unit, an interface unit, a memory, a processor, a power supply and the like. It will be appreciated by those skilled in the art that the structure of the display device described above is not limiting of the display device, and that the display device may include more or less components described above, or may be combined with certain components, or may have different arrangements of components. In an embodiment of the invention, the display device includes, but is not limited to, a display, a mobile phone, a tablet computer, a television, a wearable electronic device, a navigation display device, and the like.
The display device may be: any product or component with display function such as a television, a display, a digital photo frame, a mobile phone, a tablet computer and the like, wherein the display device further comprises a flexible circuit board, a printed circuit board and a backboard.
The embodiment of the invention also provides a manufacturing method of the OLED display device, which comprises the following steps:
forming an OLED display substrate;
forming an encapsulation layer covering the OLED display substrate;
forming a touch control layer on one side of the packaging layer far away from the OLED display substrate, wherein the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings;
and forming a protective layer covering the touch control layer.
In this embodiment, the OLED display device includes a touch layer, where the touch layer includes a reflective layer, and the reflective layer may play a role in reflection when the OLED display device does not display an image, and may be used as a mirror surface, so that the OLED display device may have both a reflective function and a display function. In addition, the reflecting layer is integrated in the touch control layer, so that the reflecting layer does not need to be specially manufactured in the OLED display device, and the implementation cost can be reduced.
In some embodiments, as shown in fig. 3-4, the touch layer includes a first conductive layer 41, an insulating layer 42, and a second conductive layer 43 that are sequentially disposed, where the pattern of the first conductive layer 41 includes a touch electrode bridge, and the pattern of the second conductive layer 43 includes a touch electrode, and the touch electrode bridge is connected to the touch electrode through a via hole penetrating through the insulating layer 42.
In this embodiment, the reflective layer may be made of a conductive material, such as a reflective metal, or an insulating material, such as an oxide of niobium oxide, zirconium oxide, or the like.
In some embodiments, as shown in fig. 6, the reflective layer 6 is made of a conductive material, such as silver, aluminum, or other metal, and the reflective layer 6 may be located between the first conductive layer 41 and the insulating layer 42. Because the reflecting layer 6 is made of conductive materials, the reflecting layer 6 contacted with the touch electrode bridge is connected in parallel with the touch electrode bridge, and the resistance of the touch electrode bridge can be reduced; of course, the reflective layer 6 may also be insulated from the touch electrode bridge. Alternatively, the reflective layer 6 may be made of an insulating material.
In some embodiments, as shown in fig. 5, the reflective layer 6 is made of an insulating material, and the reflective layer 6 is located between the second conductive layer 43 and the insulating layer 42. If the reflective layer 6 is made of a conductive material, an insulating film layer is further required to be disposed between the reflective layer 6 and the touch electrode.
In some embodiments, as shown in fig. 7, the reflective layer 6 is located not only between the second conductive layer 43 and the insulating layer 42, but also between the first conductive layer 41 and the insulating layer 42. If the reflective layer 6 is made of a conductive material, an insulating film layer is further required to be disposed between the reflective layer 6 and the touch electrode.
In some embodiments, when the reflective layer 6 is made of an insulating material, the reflective layer 6 may be multiplexed into the insulating layer 42 as shown in fig. 8. Wherein the insulating material comprises niobium oxide and zirconium oxide. Therefore, the insulating layer 42 of the touch control layer can be directly used as the reflecting layer without a special manufacturing process, so that the production process of the OLED display device can be simplified, and the manufacturing cost of the OLED display device can be reduced.
In some embodiments, the first conductive layer 41 is made of reflective metal, such as silver, aluminum, etc., as shown in fig. 9, the reflective layer 6 and the touch electrode bridge are disposed in the same layer and made of the same material, so that when the touch electrode bridge is made, the reflective layer 6 can be formed by the same patterning process, and the reflective layer 6 does not need to be made by a special patterning process, so that the production process of the OLED display device can be simplified, and the manufacturing cost of the OLED display device can be reduced. It should be noted that, in order not to affect the performance of the touch layer, when the reflective layer 6 and the touch electrode bridge are disposed on the same layer and the same material, the reflective layer 6 and the touch electrode bridge are insulated from each other. In this embodiment, the pattern design of the touch electrode is not changed, and the reflective layer can be formed only by means of the metal of the bridging layer of the touch electrode, so that the mirror effect is achieved.
In this specification, all embodiments are described in a progressive manner, and identical and similar parts of the embodiments are all referred to each other, and each embodiment is mainly described in a different way from other embodiments. In particular, for the embodiments, since they are substantially similar to the product embodiments, the description is relatively simple, and the relevant points are found in the section of the product embodiments.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. An OLED display device, comprising:
an OLED display substrate;
an encapsulation layer covering the OLED display substrate;
the touch control layer is positioned on one side of the packaging layer away from the OLED display substrate;
a protective layer covering the touch layer;
the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings.
2. The OLED display device of claim 1, wherein,
the touch layer comprises a first conductive layer, an insulating layer and a second conductive layer which are sequentially arranged, the pattern of the first conductive layer comprises a touch electrode bridge, the pattern of the second conductive layer comprises a touch electrode, and the touch electrode bridge is connected with the touch electrode through a via hole penetrating through the insulating layer.
3. The OLED display device claimed in claim 2, wherein,
the reflecting layer is made of conductive materials or insulating materials, and is positioned between the first conductive layer and the insulating layer; and/or
The reflective layer is located between the second conductive layer and the insulating layer.
4. The OLED display device of claim 3, wherein,
the reflecting layer is made of an insulating material, and the reflecting layer is multiplexed into the insulating layer.
5. The OLED display device of claim 4, wherein the organic light emitting diode display device comprises,
the insulating material comprises niobium oxide and zirconium oxide.
6. The OLED display device claimed in claim 2, wherein,
the first conductive layer is made of reflective metal, and the reflective layer and the touch electrode bridge are arranged in the same layer and the same material, and are mutually insulated and mutually insulated.
7. The OLED display device of claim 1, wherein the openings are in one-to-one correspondence with the sub-pixels of the OLED display substrate, and the orthographic projections of the sub-pixels of the OLED display substrate on the plane of the reflective layer fall into the corresponding openings.
8. The OLED display device of claim 1, wherein the OLED display substrate includes a reflective region within which an orthographic projection of the reflective layer on the OLED display substrate is located.
9. A display device comprising an OLED device as claimed in any one of claims 1 to 8.
10. A method of fabricating an OLED display device, comprising:
forming an OLED display substrate;
forming an encapsulation layer covering the OLED display substrate;
forming a touch control layer on one side of the packaging layer far away from the OLED display substrate, wherein the touch control layer comprises a reflecting layer, the reflecting layer comprises a plurality of openings, and orthographic projection of sub-pixels of the OLED display substrate on a plane where the reflecting layer is located falls into the openings;
and forming a protective layer covering the touch control layer.
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| CN202010895907.4A CN112015301B (en) | 2020-08-31 | 2020-08-31 | OLED display device, manufacturing method thereof and display device |
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