CN110930865B - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN110930865B CN110930865B CN201911040936.6A CN201911040936A CN110930865B CN 110930865 B CN110930865 B CN 110930865B CN 201911040936 A CN201911040936 A CN 201911040936A CN 110930865 B CN110930865 B CN 110930865B
- Authority
- CN
- China
- Prior art keywords
- light
- shielding layer
- display panel
- cover plate
- colloid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000084 colloidal system Substances 0.000 claims abstract description 45
- 239000000565 sealant Substances 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 21
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000008393 encapsulating agent Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device which comprises a display panel, a first shading layer, a second shading layer, a cover plate and a colloid. The first light shielding layer is arranged on the display panel. The second light shielding layer is arranged between the display panel and the first light shielding layer. The cover plate is arranged on the colloid and the first shading layer. The first light shielding layer has a first side surface, and the second light shielding layer has a second side surface. The first side surface is opposite to the second side surface and far away from the edge of the cover plate, and the shape of the first side surface is flat opposite to the shape of the second side surface. The colloid is arranged between the display panel and the cover plate.
Description
Technical Field
The invention relates to a display device.
Background
Among various electronic products of home appliances, display devices have been widely used to output images or operate menus. The display device may be assembled from a plurality of components. For example, a liquid crystal display device may include a backlight module, an array substrate, and a color filter substrate, which are sequentially stacked. After the backlight module, the array substrate and the color filter layer substrate which are sequentially stacked are fixed, the cover plate can be covered on the stacked structure, and the light shielding layer can be arranged between the cover plate and the stacked structure.
However, in the assembling process, if there is a fluctuation between the two surfaces attached to each other in the attaching stage, the attaching may be uneven, so that a part of the layer may face a problem of stress concentration. When stress is concentrated on a local portion of the layer, it may cause non-uniformity of the displayed image of the display device, such as stripe generation, or brightness non-uniformity. Therefore, how to solve the above problems has become one of the important issues in the related art.
Disclosure of Invention
One embodiment of the present disclosure provides a display device including a display panel, a first light-shielding layer, a second light-shielding layer, a cover plate, and a sealant. The first light shielding layer is arranged on the display panel. The second light shielding layer is arranged between the display panel and the first light shielding layer. The cover plate is arranged on the colloid and the first shading layer. The first light shielding layer has a first side surface, and the second light shielding layer has a second side surface. The first side surface is opposite to the second side surface and far away from the edge of the cover plate, and the shape of the first side surface is flat opposite to that of the second side surface. The colloid is arranged between the display panel and the cover plate.
In some embodiments, the second light-shielding layer has a protrusion portion protruding from the second light-shielding layer toward the sealant, the protrusion portion defines a recess portion therebetween, and the sealant fills the recess portion.
In some embodiments, the protrusion defines a recess having a recess depth substantially between 400 microns and 500 microns.
In some embodiments, a horizontal distance between the first side surface of the first light shielding layer and the protrusion is substantially between 750 micrometers and 1050 micrometers.
In some embodiments, the protrusions are each triangular, arcuate, trapezoidal, or fusiform.
In some embodiments, the second light shielding layer has protrusions protruding from the second light shielding layer toward the colloid, and the protrusions are arranged along a direction in a continuous or periodic arrangement.
In some embodiments, a portion of the sealant is disposed between the display panel and the first light-shielding layer, and a portion of the sealant contacts the second side surface of the second light-shielding layer.
In some embodiments, a portion of the gel forms an interface with the second side surface, and the shape of the interface is wavy, jagged, or a combination thereof.
In some embodiments, the first light-shielding layer has a lower surface facing the display panel and located between the first side surface and the second side surface.
In some embodiments, the first light-shielding layer and the second light-shielding layer each have a thickness of 6 to 9 μm.
By the above configuration, when the cover plate, the first light shielding layer and the second light shielding layer are attached to the display panel through the colloid, the colloid begins to be extruded due to the fact that the colloid contacts the display panel, wherein the extruded colloid can be filled into the concave part of the second light shielding layer, and therefore stress applied to the display panel by the colloid is reduced, and the problem of uneven display of the display panel is solved.
Drawings
Fig. 1A is a schematic side view of a display device according to a first embodiment of the disclosure.
Fig. 1B is an enlarged schematic view of a region B of fig. 1A.
Fig. 1C is a schematic front view of the second light-shielding layer, the first light-shielding layer and the cover plate from the display panel of fig. 1B.
Fig. 2 shows a relative position relationship of the first light-shielding layer, the second light-shielding layer and the cover plate of the display device according to a second embodiment of the disclosure, wherein the viewing angle of fig. 2 is the same as that of fig. 1C.
Fig. 3 shows a relative position relationship of the first light-shielding layer, the second light-shielding layer and the cover plate of the display device according to a third embodiment of the disclosure, wherein the viewing angle of fig. 2 is the same as that of fig. 1C.
Fig. 4 shows a relative position relationship of the first light-shielding layer, the second light-shielding layer and the cover plate of the display device according to a fourth embodiment of the disclosure, wherein the viewing angle of fig. 2 is the same as that of fig. 1C.
Fig. 5 shows a relative position relationship of the first light-shielding layer, the second light-shielding layer and the cover plate of the display device according to a fifth embodiment of the disclosure, wherein the viewing angle of fig. 2 is the same as that of fig. 1C.
Wherein, the reference numbers:
100A, 100B, 100C, 100D, 100E display device
110 display panel
111 backlight module
112 first polarizing layer
113 array substrate
114 color filter layer substrate
115 second polarizing layer
116 light-shielding body
120 colloid
130 first light-shielding layer
140 second light-shielding layer
142 projection
144 recessed portion
150 cover plate
Region B
D1, D3, D5, D7 and D9 depression depth
Horizontal distances D2, D4, D6, D8 and D10
E edge
Lower surface of SB
SW1 first side surface
SW2 second side surface
T1, T2 thickness
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present disclosure. It should be understood, however, that these implementation details are not to be interpreted as limiting the disclosure. That is, in some embodiments of the disclosure, such implementation details are not necessary. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings.
When an element is referred to as being "on …," it can be broadly interpreted as referring to the element being directly on the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on" another element, it is not necessary for the other element to be present between the two elements. It will be understood that the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, and these terms are used to distinguish single elements, components, regions, layers and/or sections. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present disclosure.
As used herein, "about" or "substantially" includes the stated value and the average value within an acceptable range of deviation of the specified value as determined by one of ordinary skill in the art, taking into account the measurement in question and the specified amount of error associated with the measurement (i.e., the limitations of the measurement system). For example, "about" or "substantially" may mean within one or more standard deviations of the stated values, or within ± 30%, ± 20%, ± 10%, ± 5%.
Referring to fig. 1A, fig. 1A is a side view illustrating a display device 100A according to a first embodiment of the disclosure. The display device 100A may include a display panel 110, a sealant 120, a first light-shielding layer 130, a second light-shielding layer 140, and a cover plate 150.
The display panel 110 includes a backlight module 111, a first polarizing layer 112, an array substrate 113, a color filter substrate 114, and a second polarizing layer 115, which are sequentially stacked. The first polarizing layer 112 is connected to the backlight module 111 and is located between the backlight module 111 and the array substrate 113. The backlight module 111 may be used to emit light toward the first polarizing layer 112 as an illumination source of the display panel 110. The array substrate 113 may include a thin film transistor and a pixel electrode (not shown), wherein the thin film transistor is electrically connected to the pixel electrode to apply a voltage to the pixel electrode through the thin film transistor, thereby coupling out an electric field. The color filter layer substrate 114 is disposed on the array substrate 113 and may include color resists of different colors, such as a red resist layer, a green resist layer, and a blue resist layer, so that the light emitted from the backlight module 111 has a corresponding color after passing through the color filter layer substrate 114, thereby enabling the display panel 110 to provide images. In addition, the second polarizing layer 115 may be attached to the color filter layer substrate 114.
The display panel 110 may further include a display medium layer (not shown) and a light shielding body 116 disposed between the array substrate 113 and the color filter substrate 114. The display medium layer has a display medium such as, for example, liquid crystal molecules. The display medium of the display medium layer can be controlled by the electric field coupled out by the pixel electrodes of the array substrate 113, so as to control whether the upward light enters the color filter layer substrate 114. The light shielding body 116 may be a light shielding layer, such as a black matrix or a photoresist, and may be disposed on the display medium layer to separate the color filter layers in the color filter substrate 114 and shield the visibility of the underlying layer or device.
The adhesive 120 is disposed on the display panel 110, for example, on the second polarizing layer 115 of the display panel 110. The colloid 120 may have light transmittance, for example, the colloid 120 may be an optical glue. The cover plate 150 is disposed on the display panel 110 and may be connected to the display panel 110 by the viscosity of the glue 120. That is, the cover plate 150 may be fixed on the display panel 110 by disposing the sealant 120 between the display panel 110 and the cover plate 150. The cover plate 150 may be a transparent substrate, such as a glass substrate, and is used to protect the underlying layers, for example, to provide resistance against abrasion, impact, or scratching.
The first light-shielding layer 130 and the second light-shielding layer 140 are disposed on the display panel 110, wherein the second light-shielding layer 140 is disposed between the display panel 110 and the first light-shielding layer 130. Specifically, the first light-shielding layer 130 and the second light-shielding layer 140 are located between the encapsulant 120 and the cover plate 150, wherein the second light-shielding layer 140 and the cover plate 150 can be separated from each other by the first light-shielding layer 130, and the second light-shielding layer 140 is closer to the display panel 110 than the first light-shielding layer 130.
In the manufacturing process of the display device 100A, before the colloid 120, the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 are not disposed on the display panel 110, the first light-shielding layer 130 and the second light-shielding layer 140 may be formed on the surface of the cover plate 150 (for example, on the surface of the cover plate 150 facing the colloid 120) first, and then the cover plate 150 with the first light-shielding layer 130 and the second light-shielding layer 140 formed thereon is attached to the display panel 110 through the colloid 120.
In some embodiments, the first light-shielding layer 130 and the second light-shielding layer 140 may be formed by printing ink (dark ink or black ink) on the surface of the cover plate 150, for example, a screen may be first placed on the cover plate 150 and the ink is disposed on the screen, and then a doctor blade may be used to squeeze the ink, so that the ink can be printed on the surface of the cover plate 150 through the through holes of the screen, thereby forming the light-shielding layer. In the printing process of the ink, the first light-shielding layer 130 and the second light-shielding layer 140 may be formed sequentially, for example, the first light-shielding layer 130 is formed on the surface of the cover plate 150, and then the second light-shielding layer 140 is formed on the first light-shielding layer 130. In some embodiments, the thicknesses T1 and T2 of the first light-shielding layer 130 and the second light-shielding layer 140 may be substantially between 6 microns and 9 microns, so that the first light-shielding layer 130 and the second light-shielding layer 140 can provide sufficient light-shielding effect. In some embodiments, a distinguishable boundary exists between the stacked first and second light-shielding layers 130 and 140.
In the bonding process, the adhesive 120 may be disposed on the cover plate 150 or the second polarizing layer 115 of the display panel 110, for example, the adhesive 120 may be disposed on the same surface of the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150, and then the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 are bonded to the display panel 110 together with the adhesive 120.
In addition, if the adhesive 120 is locally pressed against the display panel 110 due to the topographic relationship of the structure surface (e.g., the light shielding layer forms a step on the surface of the cover plate 150) during the bonding process, a stress concentration phenomenon may be caused in a local area of the display panel. Once the stress concentration occurs, the display panel 110 may cause display non-uniformity problems, such as brightness non-uniformity or stripe generation. In this regard, the edge of the second light-shielding layer 140 may be printed in a geometric pattern having a protruding shape to avoid the stress concentration phenomenon, which will be further described below.
Referring to fig. 1A, fig. 1B and fig. 1C, fig. 1B is an enlarged schematic view of a region B of fig. 1A, and fig. 1C is a front view of the display panel 110 of fig. 1B looking at the second light-shielding layer 140, the first light-shielding layer 130 and the cover plate 150. In order not to complicate the figure too much, the colloid 120 of fig. 1B is not shown in fig. 1C.
The first light-shielding layer 130 has a first side surface SW1, and the second light-shielding layer 140 has a second side surface SW 2. The first side surface SW1 is far away from the edge E of the cover plate 150 (the position of the edge E can be shown in fig. 1A) relative to the second side surface SW2, and the first side surface SW1 and the second side surface SW2 can contact the colloid 120. The second side surface SW2 of the second light shielding layer 140 can be designed to have a wavy shape, wherein the wavy direction of the second side surface SW2 is parallel to the horizontal direction of fig. 1A and 1B. In the disclosure, the phrase "the second side surface SW2 of the second light shielding layer 140 has an undulated shape" means that: the second side surface SW2 of the second light shielding layer 140 has a larger fluctuation in the horizontal direction relative to the first side surface SW1 of the first light shielding layer 130, or: the shape of the first side surface SW1 of the first light shielding layer 130 is flat with respect to the shape of the second side surface SW2 of the second light shielding layer 140.
Specifically, the second light shielding layer 140 may have a protrusion 142. The protrusions 142 protrude from the second light-shielding layer 140 toward the colloid 120, and each pair of adjacent protrusions defines a recess 144 therebetween. Taking fig. 1C as an example, the protrusions 142 are each arc-shaped and arranged along a straight direction (e.g., the longitudinal direction of fig. 1C), wherein the protrusions 142 may be arranged continuously. Here, the term "continuously arranged" means that: the protrusions 142 are arranged such that the boundary between adjacent protrusions 142 is the deepest recess of the recess 144. The second side surface SW2 of the second light shielding layer 140 may be formed in a wavy appearance by arranging the arc-shaped protrusions 142 in a straight line direction.
The second light shielding layer 140 having the protruding portion 142 may be formed at the ink printing stage. Specifically, a layer, such as an emulsion, may be disposed on the screen used to form the second light-shielding layer 140, such that the ink-permeable holes of one portion of the screen are ink-impermeable, and the ink-permeable holes of another portion of the screen are ink-permeable, wherein the ink-permeable holes may be used to define the pattern shape of the second light-shielding layer 140, such that the second light-shielding layer 140 presents a wavy appearance with the protrusions 142 after the ink is printed.
In the bonding process, when the adhesive 120 disposed on the cover plate 150 contacts the display panel 110, the adhesive 120 starts to be pressed, and through the above configuration, the pressed adhesive 120 can fill the concave portion 144 of the second light-shielding layer 140. That is, the concave portions 144 of the second light-shielding layer 140 can be used to accommodate the colloid 120 (or the colloid 120 under pressure), so as to reduce the stress applied by the colloid 120 on the display panel, thereby preventing the problem of display non-uniformity. On the other hand, the colloid 120 filled in the recess 144 forms an interface with the second side surface SW2 of the second light-shielding layer 140, and the interface is conformal with the second side surface SW2, i.e., the formed interface also has a wavy appearance.
The first light-shielding layer 130 and the second light-shielding layer 140 can form a step difference together, so as to facilitate the guiding colloid 120 to fill the recess 144 of the second light-shielding layer 140. Specifically, the first light-shielding layers 130 have a lower surface SB facing the display panel 110, and the lower surface SB is located between the first side surface SW1 and the second side surface SW2, such that a step difference exists between the first light-shielding layers 130 and the second light-shielding layers 140. Through the step, when the portion of the encapsulant 120 between the display panel 110 and the cover plate 150 is pressed, the portion of the encapsulant 120 can be pressed between the display panel 110 and the first light-shielding layer 130 along the step terrain, and then filled into the recess 144 of the second light-shielding layer 140 to contact the second side surface SW2 of the second light-shielding layer 140. On the other hand, the step difference formed between the first light-shielding layer 130 and the second light-shielding layer 140 can also increase the covering force of the colloid 120 on the first light-shielding layer 130 and the second light-shielding layer 140.
In addition, the area of the second light-shielding layer 140 can be adjusted to provide sufficient light-shielding effect for the second light-shielding layer 140, i.e., the second light-shielding layer 140 does not have insufficient light-shielding amount due to the formation of the recess 144. Specifically, the depth D1 of the recess 144 defined by the protrusion 142 of the second light-shielding layer 140 may be substantially between 400 microns and 500 microns, and the horizontal distance D2 between the protrusion 142 of the second light-shielding layer 140 and the first side surface SW1 of the first light-shielding layer 130 may be substantially between 750 microns and 1050 microns, wherein the area of the second light-shielding layer 140 may be increased by decreasing the horizontal distance between the protrusion 142 of the second light-shielding layer 140 and the first side surface SW1 of the first light-shielding layer 130. By the depth and distance arrangement, the area of the second light-shielding layer 140 can be adjusted, so that the first light-shielding layer 130 and the second light-shielding layer 140 have a sufficient overlapping area to provide a light-shielding effect.
Although the second light-shielding layer 140 in the present embodiment reduces the stress applied to the display panel 110 by the colloid 120 through the wavy shape, the disclosure is not limited thereto, and in other embodiments, the shape of the second light-shielding layer 140 may be adjusted according to different requirements, for example, when the property (density, viscosity, or other properties) of the colloid 120 is changed, the shape of the second light-shielding layer 140 may be adjusted to make the colloid 120 still fill the recess 144, so as to maintain the effect of reducing the stress applied to the display panel 110 by the colloid 120, thereby preventing the display from being non-uniform, as will be described below.
Referring to fig. 2, fig. 2 shows a relative position relationship of the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 of the display device 100B according to a second embodiment of the disclosure, wherein the viewing angle of fig. 2 is the same as that of fig. 1C. At least one difference between the present embodiment and the first embodiment is that the protruding portions 142 of the second light-shielding layer 140 of the present embodiment are each in a fuji-mountain shape. In the present disclosure, the term "fuji-mountain" means that the protrusions 142 are each formed by a pair of arcuate sides and a linear top side between the sides.
The fuji-mountain shaped protrusions 142 may be arranged continuously along a straight line (e.g., the longitudinal direction of fig. 2), and each pair of adjacent protrusions 142 defines a recess 144 therebetween. Here, the term "continuously arranged" means that: the protrusions 142 are arranged such that the boundary between adjacent protrusions 142 is the deepest recess of the recess 144.
The second side surface SW2 of the second light-shielding layer 140 can also have a wavy appearance due to the continuously arranged fuji-mountain shaped protrusions 142. In contrast, the appearance of the second side surface SW2 of the second light shielding layer 140 is described as "wavy" in both the first embodiment and the second embodiment, although the "wavy" described in the first embodiment and the second embodiment is not exactly the same, however, the "wavy" may refer to: the protrusions 142 are arranged along a straight line, so that the second side surface SW2 of the second light-shielding layer 140 has a continuous undulating appearance. The depth D3 of the recess 144 defined by the fuji-shaped protrusion 142 may be substantially between 400 microns and 500 microns, and the horizontal distance D4 between the fuji-shaped protrusion 142 and the first side surface SW1 of the first light-shielding layer 130 may be substantially between 750 microns and 1050 microns. In addition, since the second side surface SW2 of the second light-shielding layer 140 of the present embodiment has a wavy appearance, the interface between the colloid (e.g., the colloid 120 in fig. 1B) filled in the recessed portion 144 of the second light-shielding layer 140 and the second side surface SW2 of the second light-shielding layer 140 also has a wavy appearance.
Referring to fig. 3, fig. 3 shows a relative position relationship of the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 of the display device 100C according to a third embodiment of the disclosure, wherein the viewing angle of fig. 3 is the same as that of fig. 1C. At least one difference between the present embodiment and the first embodiment is that the protruding portions 142 of the second light-shielding layer 140 of the present embodiment are each trapezoidal.
The trapezoidal protrusions 142 may be periodically arranged along a straight line (e.g., the longitudinal direction of fig. 3), and each pair of adjacent protrusions 142 defines a recess 144 therebetween. Here, the term "periodically arranged" means that each pair of adjacent protrusions 142 are spaced apart by a distance such that the deepest position of the recess 144 has a linear profile.
The second side surface SW2 of the second light shielding layer 140 may have a saw-toothed appearance by the periodically arranged trapezoidal protrusions 142. The recess depth D5 of the recess 144 defined by the trapezoidal protrusion 142 may be substantially between 400 microns and 500 microns, and the horizontal distance D6 between the trapezoidal protrusion 142 and the first side surface SW1 of the first light shielding layer 130 may be substantially between 750 microns and 1050 microns. In addition, since the second side surface SW2 of the second light-shielding layer 140 of the present embodiment has a saw-toothed appearance, the interface between the colloid (such as the colloid 120 in fig. 1B) filled in the recessed portion 144 of the second light-shielding layer 140 and the second side surface SW2 of the second light-shielding layer 140 also has a saw-toothed appearance.
Referring to fig. 4, fig. 4 shows a relative position relationship of the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 of the display device 100D according to a fourth embodiment of the disclosure, wherein the viewing angle of fig. 4 is the same as that of fig. 1C. At least one difference between the present embodiment and the first embodiment is that the protruding portions 142 of the second light-shielding layer 140 of the present embodiment are triangular.
The triangular protrusions 142 may be arranged continuously along a straight line (e.g., the longitudinal direction of fig. 4), and each pair of adjacent protrusions 142 defines a recess 144 therebetween. Here, the term "continuously arranged" means that: the protrusions 142 are arranged such that the boundary between adjacent protrusions 142 is the deepest recess of the recess 144.
The second side surface SW2 of the second light shielding layer 140 may have a saw-toothed appearance by the periodically arranged trapezoidal protrusions 142. The recess depth D7 of the recess 144 defined by the triangular protrusion 142 may be substantially between 400 microns and 500 microns, and the horizontal distance D8 between the triangular protrusion 142 and the first side surface SW1 of the first light shielding layer 130 may be substantially between 750 microns and 1050 microns. In addition, since the second side surface SW2 of the second light-shielding layer 140 of the present embodiment has a saw-toothed appearance, the interface between the colloid (such as the colloid 120 in fig. 1B) filled in the recessed portion 144 of the second light-shielding layer 140 and the second side surface SW2 of the second light-shielding layer 140 also has a saw-toothed appearance.
Referring to fig. 5, fig. 5 shows a relative position relationship of the first light-shielding layer 130, the second light-shielding layer 140 and the cover plate 150 of the display device 100E according to a fifth embodiment of the disclosure, wherein the viewing angle of fig. 5 is the same as that of fig. 1C. At least one difference between the present embodiment and the first embodiment is that the protruding portion 142 of the second light shielding layer 140 of the present embodiment is an arc with a different pattern (different from the arc pattern of the protruding portion 142 of the first embodiment), and the arc protruding portion 142 can define a recessed portion 144 with an arc profile. The space for accommodating the gel (e.g., gel 120 of fig. 1B) may be increased by the curved recess 144. As described above, in response to increasing the volume of the recessed portion 144, the area of the second light-shielding layer 140 can be further adjusted, so that the second light-shielding layer 140 does not have insufficient light-shielding amount due to increasing the volume of the recessed portion 144. The depth D9 of the recess 144 defined by the protrusion 142 of the second light-shielding layer 140 may be substantially between 400 microns and 500 microns, and the horizontal distance D10 between the protrusion 142 of the second light-shielding layer 140 and the first side surface SW1 of the first light-shielding layer 130 may be substantially between 750 microns and 1050 microns. In addition, since the protruding portion 142 of the second light shielding layer 140 of the present embodiment is arc-shaped, the second side surface SW2 of the second light shielding layer 140 has a wavy appearance.
The shapes and arrangement of the protrusions in the above embodiments can be changed or adjusted to meet different requirements. For example, the continuously arranged protrusions of fig. 1B may also be varied to be periodically arranged. Alternatively, the protruding portion in fig. 1B may be changed into another arc shape, so that the second side surface of the second light-shielding layer in fig. 1B is changed into another wavy appearance.
In summary, the display device of the disclosure includes a display panel, a first light-shielding layer, a second light-shielding layer, a cover plate and a sealant. The first light shielding layer and the second light shielding layer can be formed on the surface of the cover plate, wherein the second light shielding layer is provided with protruding parts, and concave parts can be defined between the adjacent protruding parts. The colloid can be arranged between the display panel and the cover plate, so that the cover plate can be attached to the display panel through the colloid. In the laminating process, when the colloid configured on the cover plate contacts the display panel, the colloid can begin to be extruded, and the extruded colloid can be filled into the concave part of the second light shielding layer, so that the stress applied to the display panel by the colloid is reduced, and the problem of uneven display of the display panel is prevented.
While the present disclosure has been described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure, and therefore, the scope of the present disclosure should be limited only by the terms of the appended claims.
Claims (9)
1. A display device, comprising:
a display panel;
a first light-shielding layer disposed on the display panel;
a second light shielding layer disposed between the display panel and the first light shielding layer;
a cover plate disposed on the first light-shielding layer, wherein the first light-shielding layer has a first side surface, the second light-shielding layer has a second side surface, the first side surface is opposite to the second side surface and is away from an edge of the cover plate, the first side surface has no undulation, and the second side surface has undulation; and
a colloid arranged between the display panel and the cover plate;
the second light shielding layer is provided with at least one pair of protruding parts which protrude from the second light shielding layer towards the colloid, the protruding parts define a concave part between the protruding parts, and the colloid fills the concave part.
2. The display device according to claim 1, wherein a recess depth of the recess defined by the pair of protrusions is substantially between 400 microns and 500 microns.
3. The display device according to claim 1, wherein a horizontal distance between the first side surface of the first light shielding layer and one of the pair of protrusions is substantially between 750 micrometers and 1050 micrometers.
4. The display apparatus of claim 1, wherein the pair of protrusions are each triangular, curved, trapezoidal, or fuji-like, the fuji-like being defined by a pair of curved sides and a linear top edge between the sides.
5. The display device according to claim 1, wherein the second light-shielding layer has a plurality of protrusions protruding from the second light-shielding layer toward the gel, the protrusions being arranged in a direction in a continuous or periodic arrangement.
6. The display device according to claim 1, wherein a portion of the sealant is disposed between the display panel and the first light-shielding layer, and the portion of the sealant contacts the second side surface of the second light-shielding layer.
7. The display apparatus of claim 6, wherein the portion of the gel forms an interface with the second side surface, and the interface is wavy, jagged, or a combination thereof.
8. The display device according to claim 1, wherein the first light shielding layer has a lower surface facing the display panel and located between the first side surface and the second side surface.
9. The display device according to claim 1, wherein the first light-shielding layer and the second light-shielding layer each have a thickness substantially in a range from 6 micrometers to 9 micrometers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108104992 | 2019-02-14 | ||
| TW108104992A TWI679479B (en) | 2019-02-14 | 2019-02-14 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110930865A CN110930865A (en) | 2020-03-27 |
| CN110930865B true CN110930865B (en) | 2021-10-08 |
Family
ID=69582412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911040936.6A Active CN110930865B (en) | 2019-02-14 | 2019-10-30 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110930865B (en) |
| TW (1) | TWI679479B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI826327B (en) * | 2022-03-14 | 2023-12-11 | 達運精密工業股份有限公司 | Manufacturing method of electronic device |
| TWI804232B (en) * | 2022-03-14 | 2023-06-01 | 達運精密工業股份有限公司 | Electronic device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979832A (en) * | 2005-12-01 | 2007-06-13 | 联华电子股份有限公司 | Chip and packaging structure |
| KR100775739B1 (en) * | 2005-10-24 | 2007-11-09 | 주식회사 엘지화학 | Unified compensator film for liquid crystal display |
| KR20140065785A (en) * | 2012-11-21 | 2014-05-30 | 희성전자 주식회사 | Manufacturing method for forming optical transparent glue layer in flat panel display |
| CN203739364U (en) * | 2013-10-16 | 2014-07-30 | 刘泽选 | Protective film structure of touch screen of portable mobile terminal |
| CN104576973A (en) * | 2015-01-30 | 2015-04-29 | 京东方科技集团股份有限公司 | Method and system for planarization of sealant surface of encapsulating cover plate and encapsulating method |
| KR20160107112A (en) * | 2015-03-03 | 2016-09-13 | 린텍 가부시키가이샤 | Optical film with adhesive layer |
| CN206209254U (en) * | 2016-12-06 | 2017-05-31 | 信利半导体有限公司 | A kind of backlight and liquid crystal display module |
| CN107068902A (en) * | 2017-03-14 | 2017-08-18 | 上海天马有机发光显示技术有限公司 | A kind of display device |
| CN107799012A (en) * | 2017-11-13 | 2018-03-13 | 武汉华星光电半导体显示技术有限公司 | The preparation method of Foldable display device and Foldable display device |
| CN107948345A (en) * | 2016-10-12 | 2018-04-20 | 中兴通讯股份有限公司 | A kind of terminal device and Rimless process implementation method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365498B (en) * | 2012-04-01 | 2015-07-29 | 深圳欧菲光科技股份有限公司 | The method for making of panel, touch-screen containing this panel and this panel |
| JP5657763B2 (en) * | 2012-09-28 | 2015-01-21 | シャープ株式会社 | Display device, liquid crystal display device |
| CN206075738U (en) * | 2016-09-09 | 2017-04-05 | 南昌欧菲显示科技有限公司 | Electronic equipment and flexible display apparatus |
| CN108319336B (en) * | 2018-01-24 | 2020-06-23 | Oppo广东移动通信有限公司 | Display device and electronic apparatus |
| CN109321156B (en) * | 2018-10-18 | 2021-03-16 | 合肥京东方显示光源有限公司 | Shading adhesive tape, backlight module, display device and manufacturing and using methods |
-
2019
- 2019-02-14 TW TW108104992A patent/TWI679479B/en active
- 2019-10-30 CN CN201911040936.6A patent/CN110930865B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775739B1 (en) * | 2005-10-24 | 2007-11-09 | 주식회사 엘지화학 | Unified compensator film for liquid crystal display |
| CN1979832A (en) * | 2005-12-01 | 2007-06-13 | 联华电子股份有限公司 | Chip and packaging structure |
| KR20140065785A (en) * | 2012-11-21 | 2014-05-30 | 희성전자 주식회사 | Manufacturing method for forming optical transparent glue layer in flat panel display |
| CN203739364U (en) * | 2013-10-16 | 2014-07-30 | 刘泽选 | Protective film structure of touch screen of portable mobile terminal |
| CN104576973A (en) * | 2015-01-30 | 2015-04-29 | 京东方科技集团股份有限公司 | Method and system for planarization of sealant surface of encapsulating cover plate and encapsulating method |
| KR20160107112A (en) * | 2015-03-03 | 2016-09-13 | 린텍 가부시키가이샤 | Optical film with adhesive layer |
| CN107948345A (en) * | 2016-10-12 | 2018-04-20 | 中兴通讯股份有限公司 | A kind of terminal device and Rimless process implementation method |
| CN206209254U (en) * | 2016-12-06 | 2017-05-31 | 信利半导体有限公司 | A kind of backlight and liquid crystal display module |
| CN107068902A (en) * | 2017-03-14 | 2017-08-18 | 上海天马有机发光显示技术有限公司 | A kind of display device |
| CN107799012A (en) * | 2017-11-13 | 2018-03-13 | 武汉华星光电半导体显示技术有限公司 | The preparation method of Foldable display device and Foldable display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202030537A (en) | 2020-08-16 |
| TWI679479B (en) | 2019-12-11 |
| CN110930865A (en) | 2020-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1426811B1 (en) | Liquid crystal display and manufacturing method thereof | |
| US7456926B2 (en) | Liquid crystal display device | |
| US20150116621A1 (en) | Curved liquid crystal display panel | |
| JP4865801B2 (en) | Liquid crystal display panel with microlens array, manufacturing method thereof, and liquid crystal display device | |
| CN110930865B (en) | Display device | |
| CN110361886B (en) | Color film substrate, liquid crystal display panel and display device | |
| JP3625396B2 (en) | Display device | |
| KR20010060317A (en) | Reflective liquid crystal display device | |
| JP4092177B2 (en) | Liquid crystal display | |
| US8102485B2 (en) | Electro-optical device including prismatic condensing layers | |
| JP2006343615A (en) | Liquid crystal device and electronic apparatus | |
| JP2021086085A (en) | Display device | |
| JP4648672B2 (en) | Device manufacturing method using electro-optic conversion member | |
| JP4511248B2 (en) | Liquid crystal display | |
| TWI831659B (en) | Touch display panel | |
| US11747645B2 (en) | Display device | |
| TWI837664B (en) | Display device | |
| JP4865954B2 (en) | Liquid crystal display | |
| US20240160065A1 (en) | Display panel, display device, and splicing display device | |
| JP2007072016A (en) | Liquid crystal display device | |
| JP2007011170A (en) | Method for manufacturing illumination device, method for manufacturing electrooptical apparatus, and method for manufacturing optical sheet | |
| KR100931626B1 (en) | Color filter substrate having enhanced adhesive force, method of manufacturing the same and liquid crystal display device using the same | |
| CN116679502A (en) | Display panel, manufacturing method thereof and display device | |
| JP4466044B2 (en) | Electro-optical device substrate, electro-optical device, electronic equipment | |
| CN116819843A (en) | Color film substrate, electronic paper and manufacturing method of color film substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |