TWI678581B - Display device - Google Patents

Abstract

A display device includes a display panel, a housing, a first protrusion, and a second protrusion. The display panel has a display surface. A part of the casing extends above the display panel, and the display surface of the display panel faces this part of the casing. The first protrusion is disposed on the display surface of the display panel and does not contact the casing. The second protrusion is disposed on the inner surface of this part of the housing and does not contact the display panel. The first protrusion is adjacent to the second protrusion, the upper surface of the first protrusion is not lower than the lower surface of the second protrusion, and is parallel to the display surface On the first projection plane, the first protrusion and the second protrusion do not overlap.

Description

Display device

The present disclosure relates to a display device.

Due to the popularity of touch-based operation interfaces, touch-type displays that combine touch technology with displays have been widely used. A general touch display includes a backlight module, a display panel, a front frame, and a touch panel. The backlight module, the display panel, the front frame, and the touch panel are sequentially arranged. Generally, the touch-type display is fixed through the fitting of multiple frames to each other. However, particles (such as dust) are easily penetrated between the touch panel and the display panel through the gap between the frames to reduce the display effect. , But also affect the user ’s viewing experience. In order to prevent particles from penetrating between the touch panel and the display panel, double-sided adhesive is affixed between the display panel and the front frame above it to make the display panel and the front frame adhere to each other, and avoid a gap between the display panel and the front frame to allow particles Infiltration, but the display panel is fixed to the front frame by double-sided adhesive, which will cause stress deformation of the display panel, which will cause light leakage and affect display taste.

The disclosure provides a display device including a display panel, a housing, a first protrusion, and a second protrusion. The display panel has a display surface. Shell one A part extends above the display panel and the display surface of the display panel faces this part of the casing. The first protrusion is disposed on the display surface of the display panel and does not contact the casing. The second protrusion is disposed on the inner surface of this part of the casing and does not contact the display panel. The first protrusion is adjacent to the second protrusion, the upper surface of the first protrusion is not lower than the lower surface of the second protrusion, and the first protrusion and the second protrusion are not overlapped on the first projection plane parallel to the display surface. In addition to preventing particles from falling into the display area, this configuration can also protect the display panel from light leakage caused by deformation, thereby improving the overall image quality.

10, 20, 30, 40‧‧‧ display devices

100‧‧‧ display panel

102‧‧‧First substrate

104‧‧‧second substrate

110‧‧‧shell

110A‧‧‧Part I

110B‧‧‧Part II

120‧‧‧ rear shell

120A‧‧‧ floor

120B‧‧‧ sidewall

120C‧‧‧Top plate

130‧‧‧Frame

132‧‧‧ Depression

134‧‧‧ accommodation

135, 136‧‧‧ connection structure

140‧‧‧light guide

142‧‧‧Optical diaphragm

150‧‧‧ light source

160‧‧‧ substrate

170, 270, 370, 470‧‧‧ first protrusion

180, 280, 380, 480‧‧‧ second protrusion

172, 174, 182, 184‧‧‧ Adhesive layer

176, 186‧‧‧ substrate layer

1001‧‧‧display surface

1301‧‧‧ underside

1302‧‧‧bearing surface

1303‧‧‧Top

1701‧‧‧ Top surface

1801‧‧‧ lower surface

1702, 2702, 3702, 4702 ‧‧‧ first side surface

1802, 2802, 3802, 4802‧‧‧ second side surface

G‧‧‧ Clearance

S‧‧‧ light source accommodation space

V1-V1‧‧‧first projection plane

V2-V2‧‧‧ second projection plane

Read the following detailed description and the corresponding drawings to understand the various aspects of this disclosure. It should be noted that according to standard practice in the industry, multiple features are not drawn to scale. In fact, the dimensions of multiple features can be arbitrarily increased or decreased to facilitate clarity of discussion.

FIG. 1 is a cross-sectional view of a display device according to some embodiments of the disclosure.

FIG. 2 is a cross-sectional view of a display device according to some embodiments of the disclosure.

FIG. 3 is a cross-sectional view of a display device according to some embodiments of the disclosure.

FIG. 4 is a cross-sectional view of a display device according to some embodiments of the disclosure.

The following disclosure provides many different embodiments or examples for implementing the different features of the main content provided in this case. The components and configurations of a specific example are described below to simplify this disclosure. Of course, this example is only illustrative and is not intended to be limiting. For example, the following description "the first feature is formed on the second feature Or above ", in the embodiment may include the first feature and the second feature in direct contact, and may also include forming an additional feature between the first feature and the second feature so that the first feature and the second feature are not in direct contact. . In addition, the disclosure may reuse component symbols and / or letters in various examples. The purpose of this repetition is to simplify and clarify, and does not itself define the relationship between the embodiments and / or configurations discussed.

In addition, spatially relative terms such as "beneath", "below", "lower", "above", "upper", etc. are used herein to simplify the description To describe the relationship between one element or feature and another element or feature as illustrated in the drawings. In addition to the orientation depicted, spatial relative terms also include the different orientations of an element in use or operation. This device can be oriented in other ways (rotated 90 degrees or at other orientations), and the spatially relative descriptors used in this case can be interpreted accordingly.

FIG. 1 is a cross-sectional view of a display device according to some embodiments of the disclosure. The display device 10 includes, for example, a display panel 100, a housing 110, a rear case 120, a frame 130, a light guide plate 140, a light source 150, and a base material 160.

In one embodiment, the rear case 120 of the display device 10 may have a bottom plate 120A, a side wall 120B, and a top plate 120C. The bottom plate 120A and the top plate 120C are opposed to each other, and both ends of the side wall 120B are connected to the bottom plate 120A and the top plate 120C, respectively. The side wall 120B may extend upward from the edge of the bottom plate 120A, and the top plate 120C may extend from the top of the side wall 120B toward the display panel 100 (that is, toward the center portion of the display device 10). In one embodiment, the bottom plate 120A is substantially perpendicular to the side wall 120B, and the side wall 120B is substantially perpendicular to the top plate 120C. However, this disclosure It is not limited to this.

In an embodiment, the inner surface of the bottom plate 120A of the rear case 120 can be regarded as a support surface, and the light guide plate 140 can be disposed on the bottom plate 120A. The light source 150 is disposed on the side wall 120B, for example, and is configured to provide light toward the light guide plate 140, but the disclosure is not limited thereto. In other embodiments, the light source 150 may be arranged at a desired position according to design requirements. The light guide 150 guides the light from the light source 150 to provide a surface light source for the display panel 100. In addition, the display device 10 may include an optical film 142 disposed on the light guide plate 140 and located between the light guide plate 140 and the display panel 100. The optical film 142 may be, for example, a diffusion film, a light enhancement film, a composite film, or a combination thereof.

In an embodiment, the frame 130 may be disposed in the rear case 120, and the frame 130 may be at least partially disposed on and supported by the light guide plate 140. The bottom surface 1301 of the frame body 130 is connected to the light guide plate 140. The frame body 130 may have a supporting surface 1302 opposite to the bottom surface 1301 for supporting the display panel 100. In addition, the frame body 130 may have a top surface 1303 higher than the bearing surface 1302. In one embodiment, the top surface 1303 has, for example, a recessed portion 132 for receiving the top plate 120C of the rear case 120. During the assembling process of the display device 10, the top plate 120C of the rear case 120 and the recessed portion 132 of the frame 130 can be connected to each other in a fitting manner. In one embodiment, the frame 130 may have a receiving portion 134 facing away from the recessed portion 132. The accommodating portion 134 forms a light source accommodating space S together with the bottom plate 120A and the side wall 120B of the rear case 120 for accommodating the light source 150.

The display panel 100 includes a display surface 1001. The display panel 100 may be disposed above the bearing surface 1302 of the frame body 130, and the display surface 1001 of the display panel 100 faces away from the bearing surface 1302. In one embodiment, the display panel 100 is transparent The connection structure 135 is attached to the frame body 130. The connection structure 135 may be, for example, a double-sided tape, or other suitable materials, and the disclosure is not limited thereto. The display panel 100 has a display surface 1001. Here, the display surface 1001 refers to the user-facing surface of the display panel 100, or the surface of the display panel 100 facing the backlight module.

In an embodiment, the display panel 100 may have a first substrate 102 and a second substrate 104 covering the first substrate 102. The display panel 100 can be a liquid crystal display panel. Since it cannot emit light by itself, the backlight module (such as the light guide plate 140, the light source 150, and the optical film 142) can provide the light source required by the display panel 100. In one embodiment, the first substrate 102 may have a lower polarizer and the second substrate 104 may have an upper polarizer (not shown). In addition, if the display panel 100 is a self-luminous display panel, such as an organic electroluminescent display panel, or a reflective display panel, such as an electrowetting display panel or an electrophoretic display panel, the display panel 100 may omit the backlight module. Settings.

The housing 110 includes a first portion 110A and a second portion 110B. In an embodiment, the first portion 110A and the second portion 110B may be substantially perpendicular, but are not limited thereto. The casing 110 and the rear casing 120 can be engaged with each other (not shown) to accommodate components such as the display panel 100, the light guide plate 140, and the light source 150. Specifically, the first portion 110A of the housing 110 may correspond to the side wall 120B of the rear case 120, and the second portion 110B of the housing 110 may extend through the direction of the top panel 120C of the rear case 120 toward the display panel 100. In one embodiment, the second portion 110B of the casing 110 extends above the display panel 100, and the display surface 1001 of the display panel 100 faces the second portion 110B of the casing 110.

In one embodiment, the display device 10 may further include a substrate 160. The substrate 160 is located above the display panel 100, and the substrate 160 is connected to the outer surface of the second portion 110B of the casing 110. The second portion 110B of the casing 110 may extend between the display panel 100 and the substrate 160. The substrate 160 may be connected to the second portion 110B of the housing 110 through the connection structure 136, for example. The connection structure 136 may be, for example, a double-sided tape, a frame adhesive, or other suitable adhesive materials, and the disclosure is not limited thereto. In one embodiment, the substrate 160 may be a cover substrate, a touch substrate, a 3D display substrate, or other suitable components.

The display device 10 further includes a first protrusion 170 and a second protrusion 180, wherein the first protrusion 170 is adjacent to the second protrusion 180. The first protrusion 170 is disposed on the display surface 1001 of the display panel 100 and does not contact the housing 110, and the second protrusion 180 is disposed on the inner surface of the second portion 110B of the housing 110 and does not contact the display panel 100. In other words, there is a gap between the upper surface 1701 of the first protrusion 170 and the second portion 110B of the housing 110, and there is a gap between the lower surface 1801 of the second protrusion 180 and the display panel 100. Therefore, the housing 110 and the display panel 100 are not fixed or abutted due to the first protrusion 170 or the second protrusion 180 being connected to each other, so that light leakage caused by the stress deformation of the display panel 100 can be avoided, thereby improving the overall image quality.

In FIG. 1, the second protrusion 180 is closer to the center of the display surface 1001 than the first protrusion 170, for example. In one embodiment, on the first projection plane V1-V1 of the parallel display surface 1001, the first protrusion 170 may be interposed between the second protrusion 180 and the top plate 120C of the rear case 120. In addition, on the first projection plane V1-V1 of the parallel display surface 1001, the second protrusion 180 may overlap the display panel 100.

The upper surface 1701 of the first protrusion 170 is not lower than the second protrusion 180 Lower surface 1801. Here, the upper surface 1701 of the first protrusion 170 is higher than the lower surface 1801 of the second protrusion 180 as an example. For example, on a second projection plane V2-V2 that is perpendicular to the first projection plane V1-V1, the first protrusion 170 and the second protrusion 180 may be at least partially overlapped, so as to have a better dustproof effect. In other embodiments, the upper surface 1701 of the first protrusion 170 and the lower surface 1801 of the second protrusion 180 may be flush with each other. In addition, on the first projection plane V1-V1 of the parallel display surface 1001, the first protrusion 170 and the second protrusion 180 are not overlapped. In other words, the first protrusion 170 and the second protrusion 180 are not overlapped in the normal direction of the display surface 1001, which can avoid interference of assembly or subject the display panel 100 to stress.

Generally, during the assembling process of the display device 10, some fine particles (for example, dust) may remain inside the display device 10. Alternatively, after the assembly is completed, the external fine particles may penetrate into the display device 10 through the gap G between the casing 110 and the rear case 120. If these particles fall between the display surface 1001 of the display panel 100 and the substrate 160, it will affect the visual performance of the display device 10, and then affect the user experience. This disclosure discloses that by disposing the first protrusion 170 and the second protrusion 180, the first protrusion 170 is arranged on the display surface 1001 of the display panel 100 without contacting the housing 110, and the second protrusion 180 is arranged at the first of the housing 110. The inner surface of the two portions 110B does not contact the display panel 100, and the upper surface 1701 of the first protrusion 170 is not lower than the lower surface 1801 of the second protrusion 180, and on the first projection plane V1 parallel to the display surface 1001, the first The one protrusion 170 and the second protrusion 180 are not overlapped and staggered, which can prevent minute particles from falling into the display area and prevent the display panel 100 from being squeezed and deformed to generate light leakage. Therefore, in addition to preventing particles from falling into the display area, the above-mentioned configuration can also protect the display panel 100 from deformation and light leakage, thereby improving the overall image quality.

In an embodiment, the first protrusion 170 may have a first side surface 1702 connected to the upper surface 1701, wherein the first side surface 1702 is a surface close to the second protrusion 180. The second protrusion 180 may have a second side surface 1802 connected to the lower surface 1801, wherein the second side surface 1802 is a surface close to the first protrusion 170. In this embodiment, the first side surface 1702 and the second side surface 1802 face each other and are separated by a gap. That is, the first protrusion 170 and the second protrusion 180 are not in contact with each other in space.

In one embodiment, the first protrusion 170 may include opposite adhesive layers 172 and 174 and a substrate layer 176 located therebetween. Similarly, the second protrusion 180 includes opposite adhesive layers 182 and 184 and a substrate layer 186 therebetween. The base material layer 176/186 may be, for example, an elastic material such as foamed polyurethane, rubber, or other suitable materials, and the disclosure is not limited thereto. The above-mentioned configuration has the advantage that, since the upper surface 1701 of the first protrusion 170 includes the adhesive layer 174 and the lower surface 1801 of the second protrusion 180 includes the adhesive layer 184, the display device 10 adheres during transportation or vibration. Adhesive layers 174 and 184 can absorb bouncing tiny particles, avoid penetrating into the display area, and can further improve the overall image quality. In addition, in one embodiment, both the first protrusion 170 and the second protrusion 180 may omit the substrate layer and be replaced by a single adhesive layer, which may be adjusted according to actual needs.

FIG. 2 is a cross-sectional view of a display device according to some embodiments of the disclosure. The display device 20 of FIG. 2 is similar to the display device 10 of FIG. 1. Therefore, for simplicity, the same features will be represented by the same component symbols and will not be described again.

The display device 20 includes a first protrusion 270 and a second protrusion 280. The structures and materials of the first protrusion 270 and the second protrusion 280 are similar to those of the first protrusion 170 and the second protrusion 180 in FIG. Similar to the previous embodiment The difference is that the first side surface 2702 of the first protrusion 270 is in direct contact with the second side surface 2802 of the second protrusion 280. In other words, the first protrusion 270 and the second protrusion 280 have no gap in the horizontal direction, and can have a dust-proof effect more. However, it should be understood that, on the first projection plane V1-V1 of the parallel display surface 1001, the first protrusion 270 and the second protrusion 280 do not overlap.

The above-mentioned configuration has the advantage that, since the first protrusion 270 and the second protrusion 280 have no gap in the horizontal direction, the chance of particles falling into the display area can be further reduced. In addition, the first protrusion 270 is disposed on the display surface 1001 of the display panel 100 and does not contact the housing 110, and the second protrusion 280 is disposed on the inner surface of the second portion 110B of the housing 110 and does not contact the display panel 100. Therefore, the display panel 100 can be prevented from being squeezed and deformed to cause light leakage.

FIG. 3 is a cross-sectional view of a display device according to some embodiments of the disclosure. The display device 30 of FIG. 3 is similar to the display device 10 of FIG. 1. Therefore, for simplicity, the same features will be represented by the same component symbols and will not be described again.

The display device 30 includes a first protrusion 370 and a second protrusion 380. The structures and materials of the first protrusion 370 and the second protrusion 380 are similar to the first protrusion 170 and the second protrusion 180 of FIG. The difference from the previous embodiment is that the first protrusion 370 is closer to the center of the display surface 1001 than the second protrusion 380. In one embodiment, on the first projection plane V1-V1 of the parallel display surface 1001, the second protrusion 380 may be interposed between the first protrusion 270 and the top plate 120C of the rear case 120. With this structure, it is possible to prevent the second protrusion 380 from occupying the range of the display panel 100, which contributes to the trend of thinning the display device.

In an embodiment, on the first projection plane V1 to V1 of the parallel display surface 1001, the second protrusion 380 and the top surface 1303 of the frame 130 may be at least partially Overlapping, the second protrusion 380 is located above the top surface 1303 of the frame body 130 and does not contact the top surface 1303 of the frame body 130. When the second protrusion 380 is located above the top surface 1303 of the frame body 130 and does not contact the top surface 1303 of the frame body 130, it is possible to prevent the second protrusion 380 from contacting the frame body 130 due to manufacturing tolerances or assembly tolerances, resulting in the housing 110 Pressed to abut the first protrusion 370. In this embodiment, on the first projection plane V1-V1 of the parallel display surface 1001, the second protrusion 380 does not overlap with the display panel 100 at all. However, it is not limited to this. In other embodiments, on the first projection plane V1-V1 of the parallel display surface 1001, the second protrusion 380 does not overlap with the display panel 100 at least partially.

The first protrusion 370 has a first side surface 3702, wherein the first side surface 3702 is a surface close to the second protrusion 380. The second protrusion 380 has a second side surface 3802, wherein the second side surface 3802 is a surface close to the first protrusion 370. Similar to the embodiment of FIG. 1, the side surfaces 3702 and 3802 face each other and are separated by a gap. In other words, the first protrusion 370 and the second protrusion 380 are not in contact with each other in space.

In addition, since the second protrusion 380 is disposed, for example, at the interface between the second portion 110B of the housing 110 and the top plate 120C of the rear case 120, particles that penetrate from the gap G between the housing 110 and the rear case 120 can be blocked. Into the display area, thereby improving the overall image quality.

FIG. 4 is a cross-sectional view of a display device according to some embodiments of the disclosure. The display device 40 of FIG. 4 is similar to the display device 10 of FIG. 1. Therefore, for simplicity, the same features will be represented by the same component symbols and will not be described again.

The display device 40 includes a first protrusion 470 and a second protrusion 480. The relative position of the first protrusion 470 and the second protrusion 480 is similar to the first position in FIG. 3 The protrusions 370 and the second protrusions 380 are not described in detail below. The difference from the foregoing embodiment is that the first side surface 4702 of the first protrusion 470 and the second side surface 4802 of the second protrusion 480 are in direct contact with each other, which can further have a dustproof effect. In other words, the first protrusion 470 and the second protrusion 480 have no gap in the horizontal direction. However, it should be understood that, on the first projection plane V1-V1 of the parallel display surface 1001, the first protrusion 470 and the second protrusion 480 do not overlap.

The above configuration has the advantage that, since the first protrusion 470 and the second protrusion 480 do not have a gap in the horizontal direction, the chance of blocking particles from falling into the display area can be increased. In addition, on the first projection plane V1-V1 of the parallel display surface 1001, the first protrusions 470 and the second protrusions 480 do not overlap, so that the display panel 100 can be prevented from being squeezed and deformed to generate light leakage.

The disclosure provides a display device including a display panel, a housing, a first protrusion, and a second protrusion. A portion of the casing extends above the display panel and the display surface of the display panel faces the extended portion of the casing. The first protrusion is disposed on the display surface of the display panel and does not contact the casing. The second protrusion is disposed on an inner surface of the extended portion of the casing and does not contact the display panel. The first protrusion is adjacent to the second protrusion, the upper surface of the first protrusion is not lower than the lower surface of the second protrusion, and the first protrusion and the second protrusion are not overlapped on the first projection plane parallel to the display surface. In addition to preventing particles from falling into the display area, this configuration can also protect the display panel from light leakage caused by deformation, thereby improving the overall image quality.

The features of several embodiments are summarized above so that those skilled in the art can better understand the aspects of the present disclosure. Those skilled in the art should understand that they can easily use this disclosure as a basis to design or modify other processes and structures to achieve the same purpose and / or achieve the same advantages. Potential. Those skilled in the art should also understand that such equivalent structures do not depart from the spirit and scope of this disclosure, and that they can make various changes to this article without departing from the spirit and scope of this disclosure, Supersedes and changes.

Claims (16)

A display device includes: a display panel having a display surface; a casing, a portion of the casing extending above the display panel, and the display surface of the display panel facing the portion of the casing; A first protrusion disposed on the display surface of the display panel and not in contact with the casing; and a second protrusion disposed on an inner surface of the portion of the casing and not in contact with the display panel, wherein The first protrusion is adjacent to the second protrusion, an upper surface of one of the first protrusions is not lower than a lower surface of one of the second protrusions, and on a first projection plane parallel to the display surface, the first protrusion and the The two protrusions do not overlap, wherein the upper surface of the first protrusion includes an adhesive layer and the lower surface of the second protrusion includes an adhesive layer. The display device according to claim 1, wherein the first protrusion has a first side surface, the first side surface is connected to the upper surface of the first protrusion, and the second protrusion has a second side surface, The second side surface is connected to the lower surface of the second protrusion, and the first side surface of the first protrusion and the second side surface of the second protrusion face each other and are separated by a gap. The display device according to claim 1, wherein the first protrusion has a first side surface, the first side surface is connected to the upper surface of the first protrusion, and the second protrusion has a second side surface, The second side surface is connected to the lower surface of the second protrusion, and the first side surface of the first protrusion and the second side surface of the second protrusion face and directly contact each other. The display device according to claim 1, wherein the second protrusion is closer to a center of the display surface than the first protrusion. The display device according to claim 1, wherein the second protrusion overlaps the display panel on the first projection plane parallel to the display surface. The display device according to claim 1, wherein the first protrusion is closer to a center of the display surface than the second protrusion. The display device according to claim 6, wherein the second protrusion and the display panel at least partially do not overlap on the first projection plane parallel to the display surface. The display device according to claim 1, further comprising a frame, the frame having a supporting surface and a top surface higher than the supporting surface, wherein the supporting surface is used to carry the display panel, and the display panel The display surface faces away from the bearing surface. The display device according to claim 8, wherein the second protrusion does not contact the top surface of the frame. The display device according to claim 9, wherein on the first projection plane parallel to the display surface, the second protrusion at least partially overlaps with the top surface of the frame. The display device according to claim 8, further comprising a rear case, the rear case including a bottom plate, a top plate, and a side wall connecting the bottom plate and the top plate, and the top surface of the frame includes a recessed portion to accommodate The top plate of the rear shell. The display device according to claim 11, wherein on the first projection plane parallel to the display surface, the second protrusion is interposed between the first protrusion and the top plate of the rear case. The display device according to claim 11, wherein the frame has a receiving portion facing away from the recessed portion, and the receiving portion of the frame and the side wall and the bottom plate of the rear case form a light source receiving space. The display device according to claim 8, further comprising a light guide plate, and the frame is at least partially disposed on the light guide plate and supported by the light guide plate. The display device according to claim 1, further comprising a substrate located above the display panel, the substrate being connected to an outer surface of the portion of the casing. The display device according to claim 1, wherein the first protrusion and the second protrusion are at least partially overlapped on a second projection plane perpendicular to the first projection plane.