CN112134979B - Display module for sensor under screen and electronic equipment - Google Patents
Display module for sensor under screen and electronic equipment Download PDFInfo
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- CN112134979B CN112134979B CN202010972849.0A CN202010972849A CN112134979B CN 112134979 B CN112134979 B CN 112134979B CN 202010972849 A CN202010972849 A CN 202010972849A CN 112134979 B CN112134979 B CN 112134979B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- 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
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
Abstract
The embodiment of the present disclosure provides a display module assembly and electronic equipment for sensor under screen, display module assembly includes: the display device comprises a functional area and a display area, wherein pixel arrays are arranged on the functional area and the display area, and hollow light-transmitting parts capable of elastically deforming are arranged between the pixel arrays on the functional area; the functional area stops displaying and is stretched when the sensor under the screen is started, so that the hollowed-out area of the hollowed-out light-transmitting part is increased. The display module assembly for the sensor under the screen has the hollowed-out light-transmitting part capable of generating elastic deformation, when the sensor under the screen is started, the pixel array of the functional area can stop displaying and be stretched, the stretched functional area increases the hollowed-out area of the hollowed-out light-transmitting part, the transmittance of incident light is increased, the sensor under the screen can acquire data more accurately, and the overall performance is improved.
Description
Technical Field
The disclosure relates to the field of displays, in particular to a display module for an off-screen sensor and an electronic device.
Background
OLED displays have become the mainstream display structure due to high color gamut, thinness, and flexibility. At present, the screen occupation ratio is improved to become one of the core main lines of mobile phone innovation, as shown in fig. 1, the design is the evolution process of a smart phone, namely a full screen, a bang screen, a beauty tip, a water drop screen, a hole digging screen and the like, and the design is to enable a front Camera to occupy less space of a Display screen, so that a lifting Camera, a hole digging screen Camera and a Camera Under the screen (UDC or UPC for short) are further developed.
The current scheme with a better effect is the last scheme of the camera under the screen in fig. 1, and the scheme does not occupy the space of the display screen at all, however, as shown in fig. 2, the OLED occupies most of the pixel area due to the metal of the OLED with a complex pixel circuit, so that the proportion of the light-transmitting area is very small.
The current solution is to use a PM driving method in the image pickup area, and reduce the number of metal lines (i.e. the density of pixels) to reduce the area of the opaque area and increase the area of the transparent area, as shown in fig. 3, but this solution still cannot meet the requirements of under-screen image pickup. The transmittance is very low due to the existence of light absorbing or reflecting materials in the light transmitting area, such as translucent materials Mg/Ag used as a cathode, circular polarizers (C-Pol) with transmittance less than 50%, and the like, which results in very little light (generally less than 10%) entering the camera through the Panel from the outside, and due to the existence of metal wires, the light entering the camera is diffracted, and the like, so that the light received by the camera is greatly different from the light taken by the outside, and a clear image cannot be obtained according to sufficient light.
Disclosure of Invention
In view of this, the embodiment of the present disclosure provides a display module and an electronic device for an off-screen sensor, so as to solve the following problems in the prior art: the light that the display module assembly external world that has camera under the screen sees through Panel and gets into the camera is few to the light that leads to camera received and external world to take has great difference, can't obtain clear data according to sufficient light.
In one aspect, an embodiment of the present disclosure provides a display module for an off-screen sensor, including: the display device comprises a functional area and a display area, wherein pixel arrays are arranged on the functional area and the display area, and hollow light-transmitting parts capable of generating elastic deformation are arranged between the pixel arrays on the functional area; the functional area stops displaying and is stretched when the sensor under the screen is started, so that the hollow area of the hollow light-transmitting part is increased.
In some embodiments, the hollowed-out light-transmitting portion includes: the substrate comprises a substrate layer, an organic layer, a metal layer and an encapsulation layer which are arranged in sequence.
In some embodiments, each film layer of the hollowed light-transmitting part is made of a flexible material.
In some embodiments, the elastically deformable hollowed light-transmitting portion comprises: the hollow light-transmitting part is stretched by an electro-variable force or a mechanical force to generate elastic deformation.
In some embodiments, the density of the pixel array disposed in the functional region is less than the density of the pixel array disposed in the display region.
In some embodiments, the density of the pixel array of the functional region is one-half to two-thirds of the density of the pixel array of the display region.
In some embodiments, the pixel arrays are connected with each other through a connection line, and the hollow light-transmitting portion is disposed in a region outside the pixel arrays and the connection line.
In some embodiments, each pixel array of the functional region arrangement has a predetermined shape.
In some embodiments, the predetermined shape includes at least one of: round, square, windmill shaped.
On the other hand, an embodiment of the present disclosure provides an electronic device, which at least includes: a display module assembly for sensor under screen, and, set up and be in display module assembly below sensor under screen.
The display module assembly for the sensor under the screen has the hollowed-out light-transmitting part capable of generating elastic deformation, when the sensor under the screen is started, the pixel array of the functional area can stop displaying and be stretched, the stretched functional area increases the hollowed-out area of the hollowed-out light-transmitting part, the transmittance of incident light is increased, the sensor under the screen can acquire data more accurately, and the overall performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an evolution process of a smart phone in the prior art;
FIG. 2 is a schematic diagram of a prior art OLED structure;
FIG. 3 is a schematic diagram of a PM-driven OLED structure in the prior art;
fig. 4 is a schematic structural diagram of a display module for an off-screen sensor according to an embodiment of the present disclosure;
fig. 5 is a first schematic design diagram of a display module according to an embodiment of the present disclosure;
fig. 6 is a diagram illustrating a design effect of a display module according to an embodiment of the disclosure;
fig. 7 is a second schematic design diagram of a display module according to an embodiment of the disclosure;
fig. 8 is a schematic design diagram of a display module according to a third embodiment of the present disclosure;
fig. 9 is a schematic design diagram of a display module according to a fourth embodiment of the present disclosure;
fig. 10 is a schematic design diagram of a display module according to a fifth embodiment of the disclosure;
fig. 11 is a sixth schematic design view of a display module according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
The embodiment of the present disclosure provides a display module for a sensor under a screen, the front of the display module is schematically shown in fig. 4, and the display module includes:
the display device comprises a functional area 1 and a display area 2, wherein pixel arrays 3 are arranged on the functional area 1 and the display area 2, and a hollowed light-transmitting part 4 capable of generating elastic deformation is arranged between the pixel arrays 3 on the functional area 1; the functional area 1 stops displaying and is stretched when the sensor under the screen is started, so that the hollow area of the hollow light-transmitting part is increased.
The display module assembly for the sensor under the screen has the fretwork printing opacity portion that can take place elastic deformation under the screen when the sensor is launched, the pixel array of functional area can stop showing and stretched, and the functional area after being stretched has increased the fretwork area of fretwork printing opacity portion, and then has increased the transmissivity of incident light, makes the sensor under the screen can be more accurate acquire data, has promoted wholeness ability.
The hollow light-transmitting part comprises a substrate base plate layer, an organic layer, a metal layer and an encapsulation layer which are sequentially arranged; each rete of fretwork printing opacity portion all adopts flexible material, and then the function zone time stretching fretwork printing opacity portion can be as far as with better flexibility ability increase fretwork area to acquire more incident lights.
The fretwork printing opacity portion that can take place elastic deformation can be through the power messenger fretwork printing opacity portion elastic deformation of electrogenesis, also can directly make fretwork printing opacity portion take place elastic deformation through mechanical pulling force, and no matter which kind of mode that makes the functional area take place elastic deformation, it is all within the protection scope of this disclosed embodiment.
In order to guarantee the dual functions of function area display and image pickup, the density of the pixel array arranged in the function area is smaller than that of the pixel array arranged in the display area. In specific implementation, the density of the pixel array of the functional area is one half to two thirds of the density of the pixel array of the display area, the density of the pixel array of the functional area can ensure the best display effect in the range, and the most incident light can be obtained to obtain the best shooting effect.
The pixel arrays are connected with each other through connecting lines to realize display control of the pixels, and the hollow light-transmitting part is arranged in the pixel arrays and the area outside the connecting lines. In order to more conveniently set the shape of the hollow light-transmitting part and further achieve the acquisition of the maximum incident light, each pixel array set in the functional area has a predetermined shape, such as one or more of a circle, a square and a windmill.
The display module is described below with reference to the accompanying drawings and specific examples.
The embodiment of the disclosure provides a display module assembly for camera under screen, at first, the area that comes control fretwork printing opacity portion through functional area deformable promotes the transmissivity, realize different transmissivity requirements through designing different fretwork area shapes, with the area increase of fretwork printing opacity portion when using the camera, thereby promote the transmissivity and can make the camera catch clear image, this disclosure can also reach normal demonstration through the shrink of control functional area when non-making a video recording, can realize full screen display in the true sense. In addition, besides the under-screen camera, the scheme of the embodiment of the disclosure is also beneficial to the application of other sensors under the screen, such as Face ID, under-screen fingerprint, etc., and the embodiment is not described in detail.
Example one
At first, through the method that the transmittance of fretwork printing opacity portion is controlled through functional area deformable, the functional area be provided with hollow out construction in this embodiment, hollow out construction can warp the grow when the camera launches, makes printing opacity portion area grow to promote the transmittance of fretwork printing opacity portion, promote the effect of making a video recording of camera. The preset shape of the pixel array of the deformable area of the functional area is a circular and square alternate pattern, the pixel array is arranged inside the circular and square pattern, the specific proportion of the circular and square is not limited in the embodiment of the present disclosure, the circular and square alternate pattern is connected by a connecting line, and the hollow light-transmitting part can be arranged in the area except the pixel array and the connecting line, as shown in fig. 5, the pixel array is not drawn on the functional area in order to clearly show the functional area in the figure, but the under-screen camera is drawn at the position corresponding to the functional area, but the pixel array exists on the functional area, the pixel density of the functional area is the same as that of the left and right sides of the functional area (the left and right sides of the upper part of the horizontal line in the figure), and for the convenience of manufacture, it can also be clearly seen from the figure that the pixel density of the display areas on the left and right sides of the functional area is obviously lower part without the functional area. In this embodiment, the areas except for the pixel array and the connecting line are all set as the hollow light-transmitting portions, and of course, a part of the areas may be selected to be set as the hollow light-transmitting portions. As shown in fig. 6, a plurality of pixels are arranged in each pixel array of a predetermined shape in the figure for the design effect diagram. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
Example two
At first through the method that functional area is deformable to control the transmissivity of fretwork printing opacity portion, the functional area be provided with hollow out construction in this embodiment, hollow out construction can warp the grow when the camera launches, makes printing opacity portion area grow to promote the transmissivity of fretwork printing opacity portion, promote the camera effect of making a video recording. The preset shape of the pixel array of the deformable area of the functional area is a square pattern, the pixel array is arranged in the square pattern, the squares are connected through a connecting line, and the areas except the pixel array and the connecting line can be provided with hollow light transmission parts, as shown in fig. 7, in order to clearly show the functional area, the pixel array is not drawn on the functional area, but the under-screen camera is drawn at the position corresponding to the functional area, but the pixel array exists on the functional area, the pixel density of the functional area is the same as that of the left side and the right side of the functional area (the left side and the right side of the upper part of the horizontal line in the figure), and for manufacturing convenience, the pixel density of the display areas on the left side and the right side of the functional area is clearly lower than that of the display area without the functional area. In this embodiment, the areas except the pixel array and the connecting line are all set as the hollow light-transmitting portions, and certainly, a part of the areas may be selected to be set as the hollow light-transmitting portions. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
EXAMPLE III
At first through the method that functional area is deformable to control the transmissivity of fretwork printing opacity portion, the functional area be provided with hollow out construction in this embodiment, hollow out construction can warp the grow when the camera launches, makes printing opacity portion area grow to promote the transmissivity of fretwork printing opacity portion, promote the camera effect of making a video recording. The preset shape of the pixel array of the deformable area of the functional area is a pattern which is approximately square, the hollow light-transmitting part is a graph which is approximately cross, and original holes are designed on four end points of the cross, and are beneficial to releasing stress and improving transmittance. In this embodiment, the areas except for the pixel array and the connecting line are all set as the hollow light-transmitting portions, and of course, a part of the areas may be selected to be set as the hollow light-transmitting portions. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
Example four
The method for controlling the transmittance of the hollowed-out light-transmitting part through the function area in a deformable mode is characterized in that the function area is provided with a hollowed-out structure, the hollowed-out structure can deform and become large when the camera is started, the area of the light-transmitting part is made to become large, the transmittance of the hollowed-out light-transmitting part is improved, and the camera shooting effect of the camera is improved. The pixel area of the deformable area of the functional area is a checkerboard-like pattern, the hollowed-out light-transmitting part is a wooden stick-shaped pattern, and the two ends of the wooden stick are provided with original holes which are beneficial to releasing stress and improving transmittance. In this embodiment, the areas except the pixel array and the connecting line are all set as the hollow light-transmitting portions, and certainly, a part of the areas may be selected to be set as the hollow light-transmitting portions. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
EXAMPLE five
At first through the method that functional area is deformable to control the transmissivity of fretwork printing opacity portion, the functional area be provided with hollow out construction in this embodiment, hollow out construction can warp the grow when the camera launches, makes printing opacity portion area grow to promote the transmissivity of fretwork printing opacity portion, promote the camera effect of making a video recording. The preset shape of the pixel array of the deformable area of the functional area is a checkerboard-like pattern, the hollow-out transparent area is a rectangular graph, as shown in fig. 10, in order to clearly show the functional area, the pixel array is not drawn on the functional area, but a screen camera is drawn at the position corresponding to the functional area, but the pixel array is present on the functional area, the pixel density of the functional area is the same as that of the left side and the right side of the functional area (the left side and the right side of the upper part of the horizontal line in the graph), and in order to be convenient to manufacture, the pixel density of the display areas at the left side and the right side of the functional area is clearly lower than that of the display area without the functional area at the lower part. In this embodiment, the areas except the pixel array and the connecting line are all set as the hollow light-transmitting portions, and certainly, a part of the areas may be selected to be set as the hollow light-transmitting portions. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
EXAMPLE six
The method for controlling the transmittance of the hollowed-out light-transmitting part through the function area in a deformable mode is characterized in that the function area is provided with a hollowed-out structure, the hollowed-out structure can deform and become large when the camera is started, the area of the light-transmitting part is made to become large, the transmittance of the hollowed-out light-transmitting part is improved, and the camera shooting effect of the camera is improved. As shown in fig. 11, in order to clearly show the functional area in the figure, the pixel array is not drawn on the functional area, but the under-screen camera is drawn at the position corresponding to the functional area, but the pixel array exists on the functional area, and the pixel density of the functional area is the same as that of the left side and the right side of the functional area (the left side and the right side of the upper part of the horizontal line in the figure). In this embodiment, the areas except the pixel array and the connecting line are all set as the hollow light-transmitting portions, and certainly, a part of the areas may be selected to be set as the hollow light-transmitting portions. The embodiment of the disclosure provides different PPI designs set in the functional region, the specific pixel density of the functional region is 1/2-2/3 of the pixel density of the display region, and the hollow-out rate of the hollow-out region is 20% -60%.
The embodiment of the disclosure provides a display module assembly for camera under screen, and the last definition of display module assembly has display area and functional area, be provided with pixel array and fretwork printing opacity portion on the functional area, the fretwork printing opacity portion is including the substrate base plate layer, organic layer, metal level and the encapsulation layer that set gradually, the material that all retes of fretwork printing opacity portion adopted all is flexible material, but the fretwork printing opacity portion is stretching flexible or heat altered shape. When the hollow light-transmitting part is in a normal state, each pixel array is close to each other, the hollow area of the hollow light-transmitting part is normal, and meanwhile the functional area can be combined with the display area to realize complete display of the surface of the display module; when the hollowed-out light-transmitting part is in a stretching state, each pixel array is far away from each other, the area of the hollowed-out part of the light-transmitting part is increased, the transmittance is improved, and the imaging effect of the camera under the screen is enhanced.
The embodiment of the present disclosure further provides an electronic device, which at least includes any one of the display modules for the camera under the screen in the above embodiments, and the camera under the screen below the display module, wherein the specific structure of the display module is not repeated here.
Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the disclosure with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative, and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be utilized by those of ordinary skill in the art upon reading the foregoing description. In addition, in the foregoing detailed description, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a non-claimed disclosed feature is essential to any claim. Rather, the subject matter of the present disclosure may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that the embodiments can be combined with each other in various combinations or permutations. The scope of the disclosure should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
Although the present disclosure has been described in detail with reference to the specific embodiments, it should be understood that the present disclosure is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art based on the teachings herein.
Claims (8)
1. The utility model provides a display module assembly for sensor under screen which characterized in that includes:
the display device comprises a functional area and a display area, wherein pixel arrays are arranged on the functional area and the display area, and hollow light-transmitting parts capable of generating elastic deformation are arranged between the pixel arrays on the functional area;
the functional area stops displaying when the under-screen sensor is started and is stretched, so that the hollowed-out area of the hollowed-out light-transmitting part is increased;
the shape of the hollow light-transmitting part is a figure similar to a cross, and circular holes are designed on four end points of the cross; or the hollow light-transmitting part is in a shape of a wooden stick, and round holes are designed at two ends of the wooden stick; or the shape of the hollow light-transmitting part is similar to that of a windmill;
the density of the pixel array arranged in the functional area is smaller than that of the pixel array arranged in the display area; the density of the pixel array of the functional area is one half to two thirds of the density of the pixel array of the display area, and the hollow rate of the hollow light-transmitting part is 20% -60%.
2. The display module of claim 1, wherein the hollow light-transmissive portion comprises:
the substrate comprises a substrate layer, an organic layer, a metal layer and an encapsulation layer which are arranged in sequence.
3. The display module of claim 2, wherein each of the layers of the hollow light-transmissive portion is made of a flexible material.
4. The display module as claimed in claim 1, wherein the elastically deformable hollow light-transmissive portion comprises:
the hollow light-transmitting part is stretched by an electro-variable force or a mechanical force to generate elastic deformation.
5. The display module of claim 1,
the pixel arrays are connected with each other through connecting lines, and the hollow light-transmitting part is arranged in the pixel arrays and the area outside the connecting lines.
6. The display module of claim 5, wherein each pixel array of the functional region arrangement has a predetermined shape.
7. The display module of claim 6, wherein the predetermined shape comprises at least one of: round, square, windmill-shaped.
8. An electronic device, characterized in that it comprises at least:
the display module of any one of claims 1-7, and an underscreen sensor disposed below the display module.
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