CN112015002B

CN112015002B - Display device

Info

Publication number: CN112015002B
Application number: CN202010910330.XA
Authority: CN
Inventors: 李雪云
Original assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2022-08-05
Anticipated expiration: 2040-09-02
Also published as: CN112015002A

Abstract

The application discloses a display device. The display device includes: a display panel; the backlight module is positioned at one side of the display panel and comprises a first backlight unit, and the first backlight unit is provided with a first backlight hole; and the optical assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises at least one optical component, the optical assembly corresponds to the first backlight hole, and the at least one optical component is movably connected in the display device. This application is through being close to first backlight hole with optical component or keeping away from this first backlight hole to the display area alternative work under the screen that sensor unit and first backlight hole correspond has realized the sensor function and the display function of comprehensive screen, has improved the screen and has occupied the ratio.

Description

Display device

Technical Field

The application relates to the field of display, in particular to the field of display technology, and particularly relates to a display device.

Background

With the improvement of living standard, LCD (Liquid Crystal Display) Display screens still flourish in the Display field market due to its fast response and low cost, and full-screen mobile phones are more and more paid attention by various manufacturers.

In the prior art, a non-display area with an opening is arranged at a light transmitting position of an optical sensor such as a front camera of the full-face screen, the opening area of the optical sensor cannot be normally displayed, the screen occupation ratio is reduced, the picture integrity of the full-face screen display is damaged, and the screen occupation ratio of the screen is greatly reduced.

Therefore, a display device is needed to solve the above technical problems.

Disclosure of Invention

The application provides a display device to solve prior art, optical sensor trompil district can't normally show, reduced the screen and accounted for than, destroy the picture wholeness that full screen display shows ware, greatly reduced the screen of screen account for than the technical problem.

In order to solve the above problems, the technical solution provided by the present application is as follows:

a display device, comprising:

a display panel;

the backlight module is positioned on one side of the display panel and comprises a first backlight unit, and the first backlight unit is provided with a first backlight hole; and

and the optical assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises at least one optical component, the optical assembly corresponds to the first backlight hole, and the at least one optical component is movably connected in the display device.

In the display device of the present application, the optical assembly includes at least one of a second backlight unit or a sensor unit that is in moving connection within the display device.

In the display device of the present application, the second backlight unit and the sensor unit are disposed in different layers or in the same layer.

In the display device of the present application, the display device further comprises a moving member connecting the optical assembly, the moving member moving at least one of the second backlight unit or the sensor unit within the display device.

In the display device of the present application, the sensor unit is one or a combination of a plurality of camera sensors, infrared sensors, distance sensors, 3D depth sensors, and optical fingerprint sensors.

In the display device of the application, the display panel comprises a first polarizing layer, an array substrate positioned on the first polarizing layer, a liquid crystal layer positioned on the array substrate, a color film layer positioned on the liquid crystal layer, and a second polarizing layer positioned on the color film layer;

the second backlight unit comprises a plurality of light emitting units and a third polarizing layer;

the first polarizing layer is close to the first backlight unit, the first polarizing layer comprises a second backlight hole corresponding to the first backlight hole, the second backlight hole penetrates through the first polarizing layer, and the polarization direction of light passing through the first polarizing layer is the same as the polarization direction of light passing through the third polarizing layer.

In the display device of the application, the light emitting unit is arranged at the side of the second backlight unit, the third polarizing layer is arranged at the side of the second backlight unit and at the side close to the light emitting unit, and the light emitted by the light emitting unit is emitted to the third polarizing layer.

In the display device of the present application, the second backlight unit further includes a light guide member, the light guide member is connected to the light emitting unit and extends in a direction close to the first backlight hole, and the light guide member is configured to guide the light beam entering the light guide member to a display panel region corresponding to the first backlight hole.

In the display device of the application, the light guide member includes a first reflective layer disposed on a side away from the light emitting unit, and the first reflective layer is configured to reflect light emitted by the light emitting unit to a direction of the first backlight hole.

In the display device of the present application, the second backlight unit further includes a second reflective layer disposed on a side away from the display panel, and the second reflective layer is configured to reflect the light of the light guide member back to the light guide member.

Has the advantages that: this application is through being close to first backlight hole with second backlight unit or keeping away from this first backlight hole to the display area alternative work under the screen that sensor unit and first backlight hole correspond has realized the sensor function and the display function of comprehensive screen, has improved the screen and has occupied the ratio.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

FIG. 1 is a schematic view of a first structure of a display device according to the present application;

FIG. 2 is a schematic top view of a portion of a second structure of the display device of the present application;

FIG. 3 is a schematic view of a third structure of the display device of the present application;

FIG. 4 is a schematic top view of a portion of a fourth structure of the display device of the present application;

FIG. 5 is a schematic top view of a portion of a fifth structure of a display device of the present application;

FIG. 6 is a schematic view of a sixth structure of the display device of the present application;

FIG. 7 is a schematic diagram of a seventh structure of the display device of the present application;

FIG. 8 is a schematic view of an eighth structure of the display device of the present application;

fig. 9 is a schematic diagram of a ninth structure of the display device of the present application.

Reference numerals: a display device-100; a display panel-200; a first polarizing layer-210; an array substrate-220; an array unit-221; a liquid crystal layer-230; color film layer-240; a second polarizing layer-250; a first backlight unit-300; a second backlight unit-400; a light emitting unit-410; a third polarizing layer-420; a first light-reflecting layer-430; a second light-reflecting layer-440; a light guide member 450; -a moving member-500; a slide unit-510; a first bearer unit-521; a second carrying unit-522; a third carrying unit-523; a fourth carrying unit-524; a rotating shaft unit-530; a sensor unit-600; a sensing element-610; a first backlight hole-710; a second backlight hole-720; a third backlight hole-730.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 to 9, the present application discloses a display device 100, including:

a display panel 200;

the backlight module at one side of the display panel 200 includes a first backlight unit 300, wherein the first backlight unit 300 is provided with a first backlight hole 710; and

and an optical assembly located on a side of the backlight module away from the display panel 200, where the optical assembly includes at least one optical member, the optical assembly corresponds to the first backlight hole 710, and the at least one optical member is movably connected within the display device 100.

This application is through being close to first backlight hole with optical component or keeping away from this first backlight hole to the display area alternative work under the screen that sensor unit and first backlight hole correspond has realized the sensor function and the display function of comprehensive screen, has improved the screen and has occupied the ratio.

The technical solution of the present application will now be described with reference to specific embodiments.

Referring to fig. 1 to 9, the display device 100 includes: a display panel 200. The backlight module at one side of the display panel 200 includes a first backlight unit 300, and the first backlight unit 300 is provided with a first backlight hole 710. And an optical assembly located on a side of the backlight module away from the display panel 200, the optical assembly including at least one optical member, the optical assembly corresponding to the first backlight hole 710, the at least one optical member being movably connected within the display device 100. Referring to fig. 1, 3, and 6 to 9, the optical member may be replaced with a second backlight unit 400 or a sensor unit 600 disclosed below, and the drawings are not repeated.

In this embodiment, the optical assembly includes at least one of a second backlight unit 400 or a sensor unit 600, and at least one of the second backlight unit 400 or the sensor unit 600 is movably connected within the display device. Please refer to fig. 1, fig. 3, fig. 6 to fig. 9.

In this embodiment, the second backlight unit 400 and the sensor unit 600 are disposed in different layers or in the same layer. When the different layer sets up, conveniently remove especially as disclosed below during the setting of first reflector layer, can carry out the display under the screen simultaneously and the sensor unit under the screen normally works, the realization of functions such as some hidden cameras. When the backlight units are disposed on the same layer, the occupied space of the second backlight unit 400 and the sensor unit 600 can be greatly reduced, which is beneficial to the disposition of other elements.

In this embodiment, the second backlight unit 400 and the sensor unit 600 are disposed on the same layer. Through the moving member 500, the second backlight unit 400 and the sensor unit 600 respectively work and are arranged in the same layer, so that the space occupation of the second backlight unit 400 and the sensor unit 600 can be reduced to a great extent, and the arrangement of other elements is facilitated, specifically referring to fig. 3 to 5. Meanwhile, when the rotation of the rotation components is performed, the second backlight unit 400 and the sensor unit 600 are disposed on the same layer, which is beneficial to the rotation of the rotation shaft unit 530, and reduces mechanical failures.

In this embodiment, the display device 100 further includes a moving member connecting the optical components, the moving member moving at least one of the second backlight unit 400 or the sensor unit 600 within the display device 100. By moving the member, the optical member is close to the first backlight hole 710 or far from the first backlight hole 710, so as to realize that the sensor unit 600 and the under-screen display area corresponding to the first backlight hole 710 work alternately; the sensor unit works to implement a sensing function, such as an optical sensing function of a camera sensor, an infrared sensor, a distance sensor, a 3D depth of field sensor, an optical fingerprint sensor, and the like; the work of the under-screen display area corresponding to the first backlight hole is to realize the display of the under-screen excavated area, and the first backlight unit 300 and the second backlight unit 400 work alternately, so that the comprehensive screen display is realized, the sensor function and the display function of the comprehensive screen are realized, and the screen occupation ratio is improved.

In this embodiment, the first backlight hole 710 penetrates the first backlight unit 300, the second backlight unit 400 is located on the moving member 500, and the moving member 500 is used to move the second backlight unit 400 to be close to the first backlight hole 710 or to be far from the first backlight hole 710. Through the moving member 500, the second backlight unit 400 can be moved to the lower side of the first backlight hole 710, so as to normally display the area of the hole dug under the screen, as shown in fig. 1 to 9. Or by the moving member 500, the second backlight unit 400 can be moved away from the first backlight hole 710, and the sensor unit 600 is moved below the first backlight hole 710, so as to implement the normal operation of the sensor unit 600, where the first backlight hole 710 corresponds to a normal under-screen hole-digging region.

In this embodiment, the moving member 500 includes a sliding rail part on which the second backlight unit 400 is located. The sliding track component includes a sliding track unit 510 and a first bearing unit 521, the second backlight unit 400 is located on the first bearing unit 521, specifically referring to fig. 1 and 3, the second backlight unit 400 is borne by the first bearing unit 521 and slides on the sliding track unit 510, so as to realize different working positions of the second backlight unit 400. The skid unit 510 may be linear, which may reduce the probability of mechanical failure.

In this embodiment, the moving member 500 includes a rotating member on which the second backlight unit 400 is positioned. The rotating component includes a rotating shaft unit 530 and a second bearing unit 522, the second bearing unit 522 is connected to the rotating shaft unit 530, the second backlight unit 400 is located on the second bearing unit 522, the rotating shaft unit 530 rotates the second bearing unit 522, and the second bearing unit 522 bears the second backlight unit 400 to rotate, which refers to fig. 2 specifically, so as to implement different working positions of the second backlight unit 400. Because of the rotation, the switching of different positions of the second backlight unit 400 can be realized only by a certain angle, which occupies a small space and is beneficial to the arrangement of other elements.

In the present embodiment, the moving member 500 is electrically driven. Through program control, automatic switching of a preset scene can be realized, and the second backlight unit 400 is moved to a preset position, so that switching of different working positions of the second backlight unit 400 is realized.

In this embodiment, the moving member 500 further includes a manual moving part. By the manual moving part, the position switching of the second backlight unit 400 can be achieved when an electronic failure occurs. The manual moving part extends to a side far away from the display panel 200, and can realize manual poking of the moving member 500 to move the second backlight unit 400.

In this embodiment, the display device 100 further includes a sensor unit 600, and the sensor unit 600 is located on the moving member 500. The sensor unit 600 and the second backlight unit 400 are moved and switched, respectively.

In this embodiment, the sensor unit 600 may include a plurality of sensing elements 610, such as a camera sensor, an infrared sensor, a distance sensor, a 3D depth sensor, an optical fingerprint sensor, and the like. The sensor unit 600 is one or a combination of a camera sensor, an infrared sensor, a distance sensor, a 3D depth sensor, and an optical fingerprint sensor.

In this embodiment, when the moving member 500 is a sliding rail component, the moving member 500 further includes a plurality of third bearing units 523, and the sensor unit 600 is located on the third bearing units 523. One of the sensing elements 610 corresponds to one of the third carrying units 523, and the sliding track unit 510 includes a plurality of crossed sliding tracks 511, specifically referring to fig. 1, 3, and 4. By moving the third carrying unit 523, the different sensing elements 610 are switched.

In this embodiment, when the moving member 500 is a rotating component, the moving member 500 further includes a plurality of fourth bearing units 524, one of the sensing elements 610 corresponds to one of the fourth bearing units 524, and the sensing element 610 is located on the fourth bearing unit 524 and switches with the second backlight unit 400 in a wheel disc manner to work, specifically referring to fig. 2 and 5, so as to implement switching of different application scenarios, to implement one hole digging, to correspond to working effects of a plurality of functional elements, and to implement the most functional applications with the minimum number of under-screen holes.

In this embodiment, the display panel 200 includes a first polarizing layer 210, an array substrate 220 disposed on the first polarizing layer 210, a liquid crystal layer 230 disposed on the array substrate 220, a color film layer 240 disposed on the liquid crystal layer 230, and a second polarizing layer 250 disposed on the color film layer 240. The second backlight unit 400 includes a plurality of light emitting units 410 and a third polarizing layer 420. The first polarizing layer 210 is close to the first backlight unit 300, the first polarizing layer 210 includes a second backlight hole 720 corresponding to the first backlight hole 710, the second backlight hole 720 penetrates through the first polarizing layer 210, and a polarization direction of light passing through the first polarizing layer 210 is the same as a polarization direction of light passing through the third polarizing layer 420, which is shown in fig. 6 to 8. The light intensity received by the sensor unit 600 is improved and the working effect of the sensor unit 600 is enhanced by digging the second backlight hole 720 of the first polarizing layer 210 corresponding to the first backlight hole 710. When displaying normally, the light passing through the first backlight hole 710 needs to maintain the same polarization direction as the light in the normal display area of the other display panel 200, that is, the same polarization direction as the light passing through the first polarizing layer 210, so that the third polarizing layer 420 is disposed, that is, the light emitted from the second backlight unit 400 has the same polarization direction as the light passing through the first polarizing layer 210 after passing through the third polarizing layer 420. That is, the third polarizing layer 420 and the second polarizing layer 250 cooperate with the liquid crystal layer 230 to control the brightness of the light in the first backlight hole 710, and cooperate with the color film layer 240 to realize the normal display in the first backlight hole 710 and the hole area under the screen.

In this embodiment, the light emitting unit 410 is a light emitting diode, and includes a Mini-LED or a Micro-LED.

In this embodiment, the light emitting unit 410 is disposed at a side of the second backlight unit 400, the third polarizing layer 420 is disposed at a side of the second backlight unit 400 and a side close to the light emitting unit 410, and light emitted by the light emitting unit 410 is directed to the third polarizing layer 420, which is specifically shown in fig. 7 and 8. The second backlight unit 400 adopts side incident light, the third polarizing layer 420 is not required to be arranged between the second backlight unit 400 and the first backlight unit 300, the thickness of the film layer is reduced, and meanwhile, the light emitted by the second backlight unit 400 is polarized light, so that the light without polarization is prevented from entering other areas and influencing the display of other areas.

In this embodiment, the third polarizing layer 420 surrounds the light emitting unit 410. The material of the third polarizing layer 420 may be a thin film material, and is directly coated on the light emitting unit 410, that is, the light emitted by the light emitting unit 410 is polarized light, so as to better prevent unpolarized light from entering other areas and affecting the display of other areas.

In this embodiment, the second backlight unit 400 further includes a light guide member 450, and the light guide member 450 is connected to the light emitting unit 410 and extends to a direction close to the first backlight hole 710. When the light emitting unit 410 emits light in a side-in type, the light guide member may guide the light toward the first backlight hole 710. When the second backlight unit moves to a position below the first backlight hole, the light guide member may cause the light path to enter only the display area of the display panel corresponding to the first backlight hole, which is easy to understand and is not drawn.

In this embodiment, the second backlight unit 400 further includes a first reflective layer 430 disposed at a side away from the light emitting unit 410, and the first reflective layer 430 is used for reflecting light emitted from the light emitting unit 410 to the direction of the first backlight hole 710, specifically referring to fig. 8, where a dotted arrow is a light path. The first light reflecting layer 430 is connected to the light guide member 450. The first reflective layer 430 is disposed to prevent light from being lost through the second backlight unit 400, and prevent light from being emitted to the sensor unit 600, thereby preventing abnormal operation of the sensor unit 600 or temperature, so as to achieve display in the area of the display panel 200 corresponding to the area of the first backlight hole 710. The length and angle of the first light reflecting layer 430 may be set according to specific conditions, and are not limited herein.

In this embodiment, the second backlight unit 400 and the sensor unit 600 are disposed in different layers. The second backlight unit 400 is close to the display panel 200, specifically referring to fig. 8, wherein the dotted line is a light path. In this arrangement, in combination with the first reflective layer 430, the sensor unit 600 can normally receive external light, and when the sensor unit normally works, the second backlight unit 400 also provides display light in the area of the display panel 200 corresponding to the area of the first backlight hole 710, so as to normally display the display light, thereby realizing the effect of hiding the sensor.

In this embodiment, the second backlight unit 400 further includes a second reflective layer 440 disposed at a side away from the display panel 200, and the second reflective layer 440 is used for reflecting light of the second backlight unit 400 back to the second backlight unit 400, please refer to fig. 6 specifically. The light of the second backlight unit 400 is reflected back to the second backlight unit 400, thereby improving the utilization rate of the light.

In this embodiment, the array substrate 220 includes a plurality of array units 221 and a third backlight hole 730 corresponding to the second backlight hole 720. The array substrate further comprises a flat layer close to one side of the liquid crystal layer. The third backlight hole 730 penetrates through the array substrate 220 to the flat layer, so that the flat layer is left on the array substrate 220 in the area of the third backlight hole 730, and the density of the array units 221 close to the third backlight hole 730 is greater than that of the array units 221 far from the third backlight hole 730. The film layer in the area of the hole dug below the screen is continuously thinned, the receiving light intensity of the sensor unit 600 is improved, and the working effect of the sensor unit 600 is enhanced. The normally displayed array unit 221 in the under-screen hole digging region is arranged around the third backlight hole 730, so that the density of the array unit 221 close to the third backlight hole 730 is greater than that of the array unit 221 far away from the third backlight hole 730, so as to realize the control of the liquid crystal layer 230 in the under-screen hole digging region, and finally realize the normal display in the under-screen hole digging region.

The above embodiments of the present application are described in detail, and specific examples are applied in the present application to explain the principles and implementations of the present application, and the description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. A display device, comprising:

a display panel;

the optical assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises at least one optical component, the optical assembly corresponds to the first backlight hole, and the at least one optical component is movably connected in the display device;

wherein the optical assembly comprises at least one of a second backlight unit or a sensor unit, the at least one of the second backlight unit or the sensor unit being in a moving connection within the display device;

the display panel comprises a first polarizing layer, an array substrate positioned on the first polarizing layer, a liquid crystal layer positioned on the array substrate, a color film layer positioned on the liquid crystal layer, and a second polarizing layer positioned on the color film layer;

2. The display device according to claim 1, wherein the second backlight unit and the sensor unit are disposed in different layers or in the same layer.

3. The display device of claim 1, further comprising a moving member coupled to the optical assembly, the moving member moving at least one of the second backlight unit or the sensor unit within the display device.

4. The display device according to claim 1, wherein the sensor unit is one or more of a camera sensor, an infrared sensor, a distance sensor, a 3D depth sensor, and an optical fingerprint sensor.

5. The display device according to claim 1, wherein the light emitting unit is disposed at a side of the second backlight unit, the third polarizing layer is disposed at a side of the second backlight unit and a side close to the light emitting unit, and light emitted from the light emitting unit is directed to the third polarizing layer.

6. The display device according to claim 1, wherein the second backlight unit further comprises a light guide member connected to the light emitting unit and extending in a direction close to the first backlight hole, the light guide member being configured to guide the light beam entering the light guide member to a display panel region corresponding to the first backlight hole.

7. The display device according to claim 6, wherein the light guide member includes a first light reflecting layer disposed on a side away from the light emitting unit, and the first light reflecting layer is configured to reflect light emitted from the light emitting unit in a direction of the first backlight hole.

8. The display device according to claim 6, wherein the second backlight unit further comprises a second light reflecting layer disposed at a side away from the display panel, and the second light reflecting layer is configured to reflect the light rays of the light guide member back to the light guide member.