CN113641040A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN113641040A CN113641040A CN202110886862.9A CN202110886862A CN113641040A CN 113641040 A CN113641040 A CN 113641040A CN 202110886862 A CN202110886862 A CN 202110886862A CN 113641040 A CN113641040 A CN 113641040A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention discloses a display module and a display device; the display module comprises a display panel and a backlight module, wherein the backlight module comprises a backlight unit provided with a backlight hole and a supporting component, the supporting component comprises a first part parallel to the display panel and a second part vertical to the display panel, the second part is positioned in the backlight hole, the second part comprises a first unit and a second unit, the first unit is positioned between the second unit and the first part, the first unit is connected with the first part, and the thickness of the first unit is larger than that of the second unit in the direction vertical to the light-emitting direction of the display module; according to the embodiment of the invention, the supporting component in the backlight hole is arranged to be in the step shape facing away from the backlight hole, so that the wall thickness of the supporting component in the backlight hole is reduced, the size of the backlight hole is reduced, and the integral viewing effect of the display module is improved.
Description
Technical Field
The invention relates to the field of display, in particular to a display module and a display device.
Background
In recent years, the display module assembly that digs the hole still shows the mainstream in consumer market, because the restriction of the size supporting component structure of optical module assembly and backlight unit structure, the difficult shrink of hole size that digs of display module assembly influences the holistic viewing effect of display module assembly.
Therefore, a display module and a display device are needed to solve the above technical problems.
Disclosure of Invention
The embodiment of the invention provides a display module and a display device, which can solve the technical problem that the overall viewing effect of the display module is influenced because the size of an excavation hole of the conventional display module is difficult to reduce.
The embodiment of the invention provides a display module, which comprises a display panel and a backlight module positioned on one side of the display panel; wherein, backlight unit includes:
a backlight unit provided with a backlight hole;
the supporting component is positioned on one side of the backlight unit far away from the display panel and comprises a first part parallel to the display panel and a second part vertical to the display panel, and the second part is positioned in the backlight hole;
the second part comprises a first unit and a second unit, the first unit is located between the second unit and the first part, the first unit is connected with the first part, and the thickness of the first unit is larger than that of the second unit in the direction perpendicular to the light emitting direction of the display module.
In an embodiment, a first sidewall of the first unit close to the backlight hole is parallel to a second sidewall of the first unit far from the backlight hole, a third sidewall of the second unit close to the backlight hole is parallel to a fourth sidewall of the second unit far from the backlight hole, the first sidewall is flush with the third sidewall, the second sidewall is perpendicular to the display panel, and the fourth sidewall is perpendicular to the display panel.
In an embodiment, the backlight unit further includes a light guide member positioned on a side of the support member close to the display panel, and a reflective layer positioned between the light guide member and the first portion, and a sum of a thickness of the reflective layer and a thickness of the light guide member is greater than a thickness of the first unit in a direction perpendicular to the display panel.
In an embodiment, the backlight unit further includes an optical film layer located on a side of the light guide member close to the display panel, an orthogonal projection of the light guide member on the optical film layer is located in the optical film layer, the optical film layer extends toward the second unit, and in a top view direction of the display module, the optical film layer and the second unit have an overlapping portion.
In an embodiment, the display module further includes an elastic connection unit located between the second unit and the display panel, the elastic connection unit is disposed around the backlight hole, a first end of the elastic connection unit is disposed in contact with the optical film layer, and a second end of the elastic connection unit is located in the backlight hole and extends toward the first unit.
In an embodiment, in an extending direction of the second end of the elastic connection unit, a thickness of the second end in a direction perpendicular to a light emitting direction of the display module is gradually reduced.
In an embodiment, the display module further includes a buffer unit located between the elastic connection unit and the display panel, and an orthographic projection of the buffer unit on the elastic connection unit is located in the elastic connection unit.
In an embodiment, in a direction perpendicular to the light-emitting direction of the display module, the thickness of the first unit is a first thickness, and the thickness of the second unit is a second thickness; in a direction parallel to the light emitting direction of the display module, the thickness of the first part is a third thickness; wherein the third thickness is greater than the first thickness.
In one embodiment, the first portion includes a recess adjacent to a side of the backlight hole, the recess communicating with the backlight hole.
The embodiment of the invention also provides a display device which comprises the display module and the optical module, wherein one part of the optical module is positioned in the backlight hole.
According to the embodiment of the invention, the supporting component in the backlight hole is arranged to be in the step shape facing away from the backlight hole, so that the wall thickness of the supporting component in the backlight hole is reduced, the size of the backlight hole is reduced, and the integral viewing effect of the display module is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first structure of a display module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second structure of a display module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third structure of a display module according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a fourth structure of a display module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fifth structure of a display module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sixth structure of a display module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a seventh structure of a display module according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an eighth structure of a display module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a first structure of a display device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a second structure of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
In recent years, the display module assembly that digs the hole still shows the mainstream in consumer market, because the restriction of the size supporting component structure of optical module assembly and backlight unit structure, the difficult shrink of hole size that digs of display module assembly influences the holistic viewing effect of display module assembly.
Referring to fig. 1 to 8, an embodiment of the invention provides a display module 100, including a display panel 200 and a backlight module located at one side of the display panel 200; wherein, backlight unit includes:
a backlight unit 300 having a backlight hole 301;
a support member 400, wherein the support member 400 is located on a side of the backlight unit 300 away from the display panel 200, the support member 400 comprises a first portion 401 parallel to the display panel 200 and a second portion 402 perpendicular to the display panel 200, and the second portion 402 is located in the backlight hole 301;
the second portion 402 includes a first unit 410 and a second unit 420, the first unit 410 is located between the second unit 420 and the first portion 401, the first unit 410 is connected to the first portion 401, and a thickness of the first unit 410 is greater than a thickness of the second unit 420 in a direction perpendicular to a light emitting direction of the display module 100.
According to the embodiment of the invention, the supporting component in the backlight hole is arranged to be in the step shape facing away from the backlight hole, so that the wall thickness of the supporting component in the backlight hole is reduced, the size of the backlight hole is reduced, and the integral viewing effect of the display module is improved.
The technical solution of the present invention will now be described with reference to specific embodiments.
The display module 100 includes a first non-display area and a display area located at the periphery of the first non-display area, where the first non-display area corresponds to the backlight hole 301, and since in the conventional display module 100, the support component in the backlight hole 301 protrudes toward the backlight hole 301 or the light guide component 310, the position of the optical module is offset and avoided to obtain a sufficient light incident amount, the conventional backlight hole 301 is difficult to shrink, so that the area of the first non-display area corresponding to the backlight hole 301 is difficult to shrink.
The display module 100 includes a display panel 200 and a backlight module located at one side of the display panel 200; wherein, backlight unit includes: a backlight unit 300 having a backlight hole 301; a support member 400, wherein the support member 400 is located on a side of the backlight unit 300 away from the display panel 200, the support member 400 comprises a first portion 401 parallel to the display panel 200 and a second portion 402 perpendicular to the display panel 200, and the second portion 402 is located in the backlight hole 301; the second portion 402 includes a first unit 410 and a second unit 420, the first unit 410 is located between the second unit 420 and the first portion 401, the first unit 410 is connected to the first portion 401, and a thickness of the first unit 410 is greater than a thickness of the second unit 420 in a direction perpendicular to a light emitting direction of the display module 100, as shown in fig. 1.
The supporting member 400 located in the backlight hole 301 is set to be step-shaped facing away from the backlight hole 301, the wall thickness of the supporting member 400 in the backlight hole 301 is reduced, the size of the backlight hole 301 is reduced, and thus the area of the first non-display area is reduced, when a user watches the display device, the damage of the backlight hole 301 to the display effect of the whole display device can be reduced, please refer to fig. 1 specifically.
In this embodiment, the average thickness of the first unit 410 is smaller than the average thickness of the second unit 420, so that the effect of thinning the wall thickness of the supporting member 400 in the backlight hole 301 can be achieved, and the thickness of the first unit 410 can be changed and gradually increased, so that more accommodating spaces are provided for other film layers, the tolerance requirement is reduced, and the manufacturing is easy, however, the regularity of other film layers can be improved by a more regular assembly, which is beneficial to the design and setting of the film layers, and please refer to fig. 1 specifically.
A first sidewall 411 of the first cell 410 close to the backlight hole 301 is parallel to a second sidewall 412 of the first cell 410 far from the backlight hole 301, a third sidewall 421 of the second cell 420 close to the backlight hole 301 is parallel to a fourth sidewall 422 of the second cell 420 far from the backlight hole 301, the first sidewall 411 is flush with the third sidewall 421, the second sidewall 412 is perpendicular to the display panel 200, and the fourth sidewall 422 is perpendicular to the display panel 200, which is shown in fig. 1 and 2.
The formation of the right-angled steps can be beneficial to the regularity of the film layer, when the film layer close to the backlight hole 301 is designed and arranged, the edges of the right-angled film layers are mutually attached, the mutual matching and sealing effects are good, and the light leakage at the edges of the backlight hole 301 can be reduced, specifically referring to fig. 2.
In this embodiment, a first sidewall 411 of the first unit 410 close to the backlight hole 301 and a third sidewall 421 of the second unit 420 close to the backlight hole 301 are flush with each other, in the light emitting direction of the display module 100, the thickness of the first unit 410 (which is the thickness perpendicular to the light emitting direction of the display module 100) is gradually reduced, the thickness of the second unit 420 (which is the thickness perpendicular to the light emitting direction of the display module 100) is gradually reduced, a second sidewall 412 of the first unit 410 away from the backlight hole 301 and a fourth sidewall 422 of the second unit 420 away from the backlight hole 301 are flush with each other, sidewalls of the first unit 410 and the second unit 420 away from the backlight hole 301 are the same slope, and referring to fig. 8 in particular, sidewalls of other film layers at the first unit 410 and the second unit 420 away from the backlight hole 301 can be fully overlapped, thereby reducing light leakage at the edge of the backlight hole 301.
In this embodiment, the backlight unit 300 further includes a light guide member 310 located on one side of the support member 400 close to the display panel 200, and a reflective layer 320 located between the light guide member 310 and the first portion 401, and in a direction perpendicular to the display panel 200, a sum of a thickness of the reflective layer 320 and a thickness of the light guide member 310 is greater than a thickness of the first unit 410, as shown in fig. 3. Since the light guide member 310 needs to have the other optical film layers 330, the sum of the thickness of the reflective layer 320 and the thickness of the light guide member 310 needs to be set to be greater than the thickness of the first unit 410, so that when the other optical film layers 330 on the light guide member 310 are formed, the optical film layers can be prevented from being pressed against the first unit 410, wrinkles can be prevented from occurring in the other optical film layers 330, and performance degradation of the other optical film layers 330 can be prevented.
In this embodiment, the sum of the thickness of the reflective layer 320 and the thickness of the light guide member 310 is N1, the thickness of the first cell 410 is N2, and the difference between N1 and N2 is 0.1mm to 0.2 mm.
In this embodiment, the backlight unit 300 further includes an optical film 330 located on a side of the light guide member 310 close to the display panel 200, an orthogonal projection of the light guide member 310 on the optical film 330 is located in the optical film 330, the optical film 330 extends toward the second unit 420, and in a top view direction of the display module 100, the optical film 330 and the second unit 420 have an overlapping portion, which is specifically shown in fig. 3. The optical film 330 covers the edge of the light guide member 310, the optical film 330 is overlapped with the support member 400, and the optical film 330 and the second unit 420 of the support member 400 form a relatively closed space for the light guide member 310, so that light leakage of the light guide member 310 can be effectively shielded, light leakage emission is reduced, abnormal display near the backlight hole 301 is reduced, and the overall display effect of the display module 100 is improved.
In this embodiment, the optical Film layer 330 includes a first diffusion Film on the light guide component 310, a first Brightness Enhancement Film on the first diffusion Film, a second Brightness Enhancement Film on the first Brightness Enhancement Film, and a second diffusion Film on the second Brightness Enhancement Film, where the first diffusion Film and the second diffusion Film can distribute light more uniformly, so as to be beneficial for light uniformity and avoid abnormal Brightness or abnormal darkness of light in a certain area, the first Brightness Enhancement Film can be a BEF (Brightness Enhancement Film, ultra-micro distance polycrystalline structure Brightness Enhancement Film) Film, and the second Brightness Enhancement Film can be a DBEF (Dual Brightness Enhancement Film, reflective polarization Brightness Enhancement Film) Film.
In this embodiment, the light guide member 310 includes a lamp panel close to one side of the reflective layer 320 and a light guide unit located on the lamp panel, and light emitted by the lamp panel passes through reflection of the reflective layer 320 and homogenization of the light guide unit to be emitted from the display module 100 in a state of high brightness homogenization, which is beneficial to improving the display brightness of the display module 100 and improving the display contrast of the display module 100.
In this embodiment, the display module 100 further includes an elastic connection unit 500 located between the second unit 420 and the display panel 200, the elastic connection unit 500 is disposed around the backlight hole 301, a first end of the elastic connection unit 500 is disposed in contact with the optical film layer 330, and a second end of the elastic connection unit 500 is located in the backlight hole 301 and extends toward the first unit 410, as shown in fig. 1. The elastic connection unit 500 may be a member for sealing the backlight hole 301, and is disposed around the backlight hole 301, so as to prevent light leakage of the light guide member 310 from being absorbed into the backlight hole 301 and affecting light information collection; the elastic connection unit 500 can absorb light from the outside and reduce reflection thereof, so that negative effects of the external light reflected in the backlight hole 301 on the collection of the optical information can be reduced.
In this embodiment, the elastic connection unit 500 may be any one or a combination of a plurality of materials such as silicone, rubber, and resin.
In this embodiment, the elastic connection unit 500 further includes a light shielding material, such as carbon powder, and the elastic connection unit 500 may have a certain shielding effect on the second unit 420, so that when a user views the display module 100 from the outside, the appearance of the supporting member 400 is weakened, and the overall good appearance of the display module 100 is improved.
In this embodiment, the elastic connection component located in the backlight hole 301 may occupy a certain space in the backlight hole 301, so as to affect the arrangement space of other components in the backlight hole 301, and in the extending direction of the second end of the elastic connection unit 500, the thickness of the second end in the direction perpendicular to the light emitting direction of the display module 100 is gradually reduced, as shown in fig. 4. The size of the elastic connecting part far away from the display panel 200 is reduced, so that the contact area between the elastic connecting part and the second unit 420 is unchanged, the space occupied by the elastic connecting part in the backlight hole 301 is reduced, the available space in the backlight hole 301 is increased, and the arrangement of other components is facilitated.
In this embodiment, the elastic connection member is fixedly connected to the second unit 420 by means of a snap or glue.
In this embodiment, an uneven section difference may occur on a side of the display panel 200 close to the backlight module, when the backlight module is attached to the display panel 200, the elastic connection unit 500 may not be enough to compensate the section difference, and the section difference may cause light leakage of the backlight module or circuit abnormality of the display panel 200, the display module 100 further includes a buffer unit 600 located between the elastic connection unit 500 and the display panel 200, and an orthogonal projection of the buffer unit 600 on the elastic connection unit 500 is located in the elastic connection unit 500, which is specifically referred to fig. 5. The arrangement of the backlight holes 301 may have stronger extrusion impact on the display panel 200, and the buffer unit 600 may reduce extrusion stress on the display panel 200, enhance sealing of the backlight holes 301, reduce light leakage of the backlight holes 301, and improve the quality of the display module 100.
In this embodiment, buffer unit 600 can be for bubble cotton or silica gel material, and the bubble is cotton when playing the cushioning effect, and certain radiating action in addition, the components and parts that set up in backlight hole 301 have a large amount of heat productions, it can be right to bubble cotton the heat of backlight hole 301 is in time dispelled the heat, avoids the damage of heat to the components and parts in the backlight hole 301.
In this embodiment, in a direction perpendicular to the light emitting direction of the display module 100, the thickness of the first unit 410 is a first thickness H1, and the thickness of the second unit 420 is a second thickness; in a direction parallel to the light emitting direction of the display module 100, the thickness of the first portion 401 is a third thickness H3; the third thickness H3 is greater than the first thickness H1, please refer to fig. 6. The first portion 401 plays a main supporting role, the first portion 401 is set to be thicker, the wall thickness of the supporting component 400 in the backlight hole 301 is thinned under the condition that enough supporting strength is ensured, the size of the backlight hole 301 is reduced, and the overall viewing effect of the display module 100 is improved.
In this embodiment, the first portion 401 includes a groove 403 near one side of the backlight hole 301, and the groove 403 is communicated with the backlight hole 301, as shown in fig. 7. Urgent in the backlight hole 301 be provided with components and parts around the backlight hole 301, utilize recess 403, components and parts can further to set up in the backlight hole 301, both can save display module assembly 100's space reduces display module assembly 100's thickness can improve again components and parts's light collection ability.
In this embodiment, the display panel 200 includes a substrate, a buffer layer located on the substrate, an active layer located on the buffer layer, a first insulating layer located on the active layer, a gate layer located on the first insulating layer, a second insulating layer located on the gate layer, a source drain layer located on the second insulating layer, and a third insulating layer located on the source drain layer.
In this embodiment, the display panel 200 is a liquid crystal display panel 200, and the display panel 200 further includes a backlight unit 300 located on one side of the substrate, a liquid crystal layer located on one side of the third insulating layer, upper and lower polarizing plates located on two sides of the liquid crystal layer, and a color film substrate located on the liquid crystal layer.
According to the embodiment of the invention, the supporting component in the backlight hole is arranged to be in the step shape facing away from the backlight hole, so that the wall thickness of the supporting component in the backlight hole is reduced, the size of the backlight hole is reduced, and the integral viewing effect of the display module is improved.
Referring to fig. 9 and 10, a display device 10 according to an embodiment of the present invention includes the display module 100 and the optical module 20, wherein a portion of the optical module 20 is located in the backlight hole 301.
For a specific structure of the display module 100, please refer to any one of the above embodiments of the display module 100 and fig. 1 to 8, which are not described herein again.
In this embodiment, the optical module 20 may be any one or a combination of a camera, an optical fingerprint, a distance sensor, and an infrared sensor.
In this embodiment, referring to fig. 10, due to the arrangement of the groove 403, the optical module 20 can be further inserted into the backlight hole 301, so as to achieve a better light collection effect.
The embodiment of the invention discloses a display module and a display device; the display module comprises a display panel and a backlight module, wherein the backlight module comprises a backlight unit provided with a backlight hole and a supporting component, the supporting component comprises a first part parallel to the display panel and a second part vertical to the display panel, the second part is positioned in the backlight hole, the second part comprises a first unit and a second unit, the first unit is positioned between the second unit and the first part, the first unit is connected with the first part, and the thickness of the first unit is larger than that of the second unit in the direction vertical to the light-emitting direction of the display module; according to the embodiment of the invention, the supporting component in the backlight hole is arranged to be in the step shape facing away from the backlight hole, so that the wall thickness of the supporting component in the backlight hole is reduced, the size of the backlight hole is reduced, and the integral viewing effect of the display module is improved.
The display module and the display device provided by the embodiment of the invention are described in detail, and the principle and the embodiment of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A display module is characterized by comprising a display panel and a backlight module positioned on one side of the display panel; wherein, backlight unit includes:
a backlight unit provided with a backlight hole;
the supporting component is positioned on one side of the backlight unit far away from the display panel and comprises a first part parallel to the display panel and a second part vertical to the display panel, and the second part is positioned in the backlight hole;
the second part comprises a first unit and a second unit, the first unit is located between the second unit and the first part, the first unit is connected with the first part, and the thickness of the first unit is larger than that of the second unit in the direction perpendicular to the light emitting direction of the display module.
2. The display module of claim 1, wherein a first sidewall of the first cell near the backlight hole is parallel to a second sidewall of the first cell away from the backlight hole, a third sidewall of the second cell near the backlight hole is parallel to a fourth sidewall of the second cell away from the backlight hole, the first sidewall is flush with the third sidewall, the second sidewall is perpendicular to the display panel, and the fourth sidewall is perpendicular to the display panel.
3. The display module according to claim 2, wherein the backlight unit further comprises a light guide member disposed on a side of the support member adjacent to the display panel, and a reflective layer disposed between the light guide member and the first portion, and a sum of a thickness of the reflective layer and a thickness of the light guide member is greater than a thickness of the first unit in a direction perpendicular to the display panel.
4. The display module according to claim 3, wherein the backlight unit further comprises an optical film layer disposed on a side of the light guide member close to the display panel, an orthogonal projection of the light guide member on the optical film layer is disposed in the optical film layer, the optical film layer extends toward the second unit, and the optical film layer and the second unit have an overlapping portion in a top view direction of the display module.
5. The display module according to claim 4, further comprising an elastic connection unit disposed between the second unit and the display panel, wherein the elastic connection unit is disposed around the backlight hole, a first end of the elastic connection unit is disposed in contact with the optical film, and a second end of the elastic connection unit is disposed in the backlight hole and extends toward the first unit.
6. The display module according to claim 5, wherein the second end of the elastic connection unit has a thickness that gradually decreases in a direction perpendicular to a light exit direction of the display module in an extending direction of the second end.
7. The display module according to claim 5, further comprising a buffer unit located between the elastic connection unit and the display panel, wherein an orthographic projection of the buffer unit on the elastic connection unit is located in the elastic connection unit.
8. The display module according to claim 1, wherein the thickness of the first unit is a first thickness and the thickness of the second unit is a second thickness in a direction perpendicular to the light exit of the display module;
in a direction parallel to the light emitting direction of the display module, the thickness of the first part is a third thickness;
wherein the third thickness is greater than the first thickness.
9. The display module of claim 1, wherein the first portion comprises a recess adjacent to a side of the backlight hole, the recess communicating with the backlight hole.
10. A display device comprising the display module according to any one of claims 1 to 9 and an optical module, wherein a portion of the optical module is located in the backlight hole.
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