TWI533163B - Display device - Google Patents

Description

Display device

The present invention relates to a display device, and more particularly to a display device having an adjustable display surface.

With the rapid advancement of liquid crystal display (LCD) technology and the continuous decline in manufacturing costs, liquid crystal displays have almost completely replaced the market for conventional cathode ray tubes (CRTs) in display monitors, and consumers are The performance requirements of liquid crystal displays are also increasing.

In the case of LCD TVs, curved TVs have been developed in recent years to provide consumers with a better visual experience through their curved display surfaces. Generally, the back panel of the curved TV and the display module carried on the back panel are all designed in an arc shape so that the display surface is curved. However, the curved surface television designed by this method cannot be adjusted to a flat surface according to the user's needs, and the backing plate made by the stamping process is difficult to achieve the desired arc shape, which causes difficulty in the manufacture of the curved television.

Chinese Patent No. CN103489380A discloses a display device whose flexible display panel can be adjusted to a flat mode or a curved mode. Taiwan Patent No. TW201303446A1 discloses a backlight module in which a light guide plate is bent and by a positioning member The curvature of the light guide plate is maintained substantially unchanged.

The present invention provides a display device that is easy to manufacture and whose display surface is easily adjusted to be curved or flat.

Other objects and advantages of the present invention will become apparent from the technical features disclosed herein.

An embodiment of the present invention provides a display device including a backplane, a first light source, and a flexible display module. The backboard includes a first component and a second component. The first component and the second component slide relative to each other, and the second component is flexible and adapted to slide between a first position and a second position relative to the first component. The first component has at least one load bearing surface and the second component has at least one load bearing surface. The first component includes a plate body, and the first light source is disposed on the plate body. The flexible display module is disposed on the bearing surface of the second component and has a display surface. When the second component is in the first position, the carrying surface carries the flexible display module to make the display surface flat. When the second component is in the second position, the bearing curved surface carries the flexible display module such that the display surface becomes a curved surface.

A display device according to an embodiment of the present invention, wherein the carrying surface is adapted to support the flexible display module from the load bearing surface when the second assembly is slid from the second position to the first position relative to the first assembly.

A display device according to an embodiment of the present invention, wherein the bearing curved surface is a concave curved surface.

A display device according to an embodiment of the present invention further includes a flexible frame, The flexible frame is disposed on the flexible display module. When the second component is in the first position, the flexible frame is not flexed and a part of the flexible display module is pressed against the bearing surface. When the second component is in the second position, the flexible frame flexes and presses a portion of the flexible display module to the load bearing surface.

A display device according to an embodiment of the present invention, wherein the flexible frame has two fixing portions and two elastic portions, the two fixing portions are connected to the first component, and the elastic portions are connected between the two fixing portions and located above the second component. When the second component is in the first position, the opposite edges of the flexible display module are sandwiched between the two elastic portions and the bearing surface, and when the second component is in the second position, the flexible display module The two edges are sandwiched between the two elastic portions and the bearing curved surface.

A display device according to an embodiment of the present invention, wherein the first component includes two opposing first retaining walls and two opposing second retaining walls, and the two first retaining walls and the two second retaining walls collectively surround the flexible display module The two fixing portions are respectively connected to the two first retaining walls, and the number of at least one supporting curved surface is two and respectively formed on the two second retaining walls.

The display device of the embodiment of the present invention, wherein the second component comprises two brackets, each bracket comprises a base portion, a bearing portion and a sliding portion, and the sliding portion is connected between the base portion and the carrying portion and is slidably disposed at the first The two bases are located under the first component, and the two bearing portions are located above the first component, and the number of the at least one bearing surface is two and respectively formed on the two bearing portions.

A display device according to an embodiment of the present invention, wherein the plate body has a plurality of openings, each of the sliding portions includes a plurality of cylinders, wherein the columns are respectively slidably disposed on the openings, and the base portions and the corresponding carrier portions are respectively Located on opposite sides of the board.

The display device of the embodiment of the present invention further includes a second light source, wherein the flexible display module comprises a light guide plate, the light guide plate has a light incident side surface, and the first component has at least one curved sidewall, the second light source It is disposed on the curved side wall. When the bearing curved surface carries the flexible display module, the light incident side surface is curved and is located on the curved side wall.

A display device according to an embodiment of the present invention, wherein the flexible display module comprises a light guide plate, an optical film set and a display panel stacked in sequence.

Based on the above, the embodiment of the present invention has at least one of the following advantages. In the above embodiment of the present invention, the flexible display module can be carried on the first component by sliding of the second component relative to the first component. The curved surface is arcuate, and the flexible display module can be carried on the bearing surface of the second component by sliding of the second component relative to the first component, and is formed into a flat shape, so that the user can easily select it according to requirements. The display surface of the flexible display module is adjusted to be curved or flat to improve the flexibility of the display device. In addition, in the display device of the above-described embodiment of the present invention, it is only necessary to form the bearing arch surface on the first component of the back plate without forming the plate body of the first component into an arc shape, thereby reducing the back plate of the display device. Difficulties in manufacturing.

The above described features and advantages of the invention will be apparent from the following description.

100‧‧‧ display device

110‧‧‧ Backboard

112‧‧‧First component

112a‧‧‧bearing curved surface

112b‧‧‧ board

114‧‧‧Second component

114a‧‧‧ bearing surface

120‧‧‧First light source

122, 142‧‧‧ substrate

124, 144‧‧‧Lighting diode source

130‧‧‧Flexible display module

130a‧‧‧ display surface

Edge of 130b‧‧

132‧‧‧Light guide plate

132a‧‧‧light side

134‧‧‧Optical diaphragm group

136‧‧‧ display panel

140‧‧‧second light source

150‧‧‧Flexible frame

152‧‧‧ Fixed Department

154‧‧‧Flexible Department

B1‧‧‧ Base

B2‧‧‧ Carrying Department

B3‧‧‧Sliding Department

C‧‧‧Connecting Department

D‧‧‧ Direction

H‧‧‧Opening

P1‧‧‧ first position

P2‧‧‧ second position

W1‧‧‧First Retaining Wall

W2‧‧‧ second retaining wall

1 is a perspective view showing a display surface of a display device in a plane according to an embodiment of the present invention.

Fig. 2 is a perspective view showing a part of the structure of the display device of Fig. 1.

FIG. 3 illustrates that the display surface of FIG. 1 is adjusted to a curved surface.

4 is a perspective view showing a part of a member of the display device of FIG. 3.

Fig. 5 is a perspective view showing a partial structure of the display device of Fig. 1.

Fig. 6 is a perspective view showing a partial structure of the display device of Fig. 3;

The foregoing and other objects, features, and advantages of the invention will be apparent from the Detailed Description The directional terms mentioned in the following embodiments, such as "upper", "lower", "front", "back", "left", "right", etc., are only directions referring to the additional schema. Therefore, the directional terminology used is for the purpose of illustration and not limitation.

1 is a perspective view showing a display surface of a display device in a plane according to an embodiment of the present invention. Fig. 2 is a perspective view showing a part of the structure of the display device of Fig. 1. Referring to FIG. 1 and FIG. 2 , the display device 100 of the present embodiment is, for example, a liquid crystal television and includes a back plate 110 and a flexible display module 130 . The back plate 110 includes a first component 112 and a second component 114. The first component 112 and the second component 114 slide relative to each other in the direction D. The flexible display module 130 is disposed on the back plate 110 and has a display surface 130a.

FIG. 3 illustrates that the display surface of FIG. 1 is adjusted to a curved surface. 4 is a perspective view showing a part of a member of the display device of FIG. 3. As shown in FIG. 3 and FIG. 4, the display device 100 includes a plurality of first light sources 120. The first component 112 includes a plate body 112b. Each of the first light sources 120 is disposed on the plate body 112b of the first component 112 to provide a display device. 100 display The first light source 120 is, for example, a light emitting diode (LED) light bar, and is composed of a substrate 122 and a light emitting diode light source 124 disposed on the substrate 122.

The first component 112 has at least one load-bearing curved surface 112a (shown in FIG. 2 as two concave curved surfaces), and the second component 114 has at least one bearing surface 114a (shown in FIG. 2 as two planes). The second component 114 is flexible and adapted to slide relative to the first component 112 between a first position P1 shown in FIG. 2 and a second position P2 shown in FIG. When the second component 114 is located at the first position P1, each of the bearing surfaces 114a of the second component 114 carries the flexible display module 130 such that the display surface 130a of the flexible display module 130 is flat as shown in FIG. When the second component 114 is located at the second position P2, the bearing surface 112a of the first component 112 carries the flexible display module 130 such that the display surface 130a of the flexible display module 130 becomes an arc as shown in FIG. surface.

In the above configuration, the flexible display module 130 can be carried on the bearing surface 112a of the first component 112 by the sliding of the second component 114 relative to the first component 112, and is curved and flexible. The display module 130 can be carried on the bearing surfaces 114a of the second component 114 by the sliding of the second component 114 relative to the first component 112, and is formed into a flat shape, so that the user can conveniently display the flexible display module according to requirements. The display surface 130a of the 130 is adjusted to be curved or flat to enhance the flexibility in use of the display device 100. In addition, in the display device 100 of the present embodiment, it is only necessary to form the bearing arch surface 112a on the first component 112 of the back plate 110 without forming the plate body 112b of the first component 112 into an arc shape, thereby reducing the display device. The manufacturing of the back panel 110 of 100 is difficult.

When the user wants to return the display surface 130a of the flexible display module 130 from the curved surface shown in FIG. 3 to the plane shown in FIG. 1, only the second component 114 needs to be viewed from FIG. 4 relative to the first component 112. The illustrated second position P2 is slid to the first position P1 shown in FIG. 2, so that the bearing surfaces 114a of the second component 114 can extend the flexible display module 130 away from the respective supporting arcs of the first component 112. The surface 112a allows the flexible display module 130 to be carried by the respective bearing surfaces 114a and has a flat shape.

When the flexible display module 130 is arcuate as shown in FIG. 3, the distance between each part and the first light source 130 on the board 112b may be inconsistent. If the first light source 130 is used to provide light to the flexible state. The display module 130 may cause uneven brightness of each part of the display surface 130a. In order to avoid the above problem, another side-entry light source can be used to provide light to the flexible display module 130 which is curved, as described in detail below.

Fig. 5 is a perspective view showing a partial structure of the display device of Fig. 1. Fig. 6 is a perspective view showing a partial structure of the display device of Fig. 3; Referring to FIG. 5 and FIG. 6 , the flexible display module 130 of the present embodiment includes a light guide plate 132 , an optical film set 134 and a display panel 136 . The light guide plate 132 has a light incident side. 132a. Referring to FIG. 2 and FIG. 6 , the display device 100 (shown in FIGS. 1 and 3 ) further includes a second light source 140 , such as a substrate 142 and a plurality of light emitting diodes disposed on the substrate 142 . The light source 144 is composed of. The first component 112 has at least one curved sidewall 112c (one labeled in FIG. 4), and the second light source 140 is disposed on the curved sidewall 112c. When the carrying surface 112a of the first component 112 carries the flexible display module 130 as shown in FIG. 6, the light incident side 132a of the light guide plate 132 is curved and is located on the curved side wall 112c of the first component 112, The second light source 140 emits light to the light guide plate 132. The side-entry light source is provided with light required for the display device 100 to display a picture. It should be noted that in order to clearly indicate the curved side wall 112c in FIG. 4, the second light source 140 of FIG. 2 is not illustrated in FIG.

When the flexible display module 130 of FIG. 6 is replaced by the bearing surface 114a of the second component 114 as shown in FIG. 5 by sliding the second component 114 relative to the first component 112, the light guide plate 132 is inserted. The light side surface 132a is no longer located on the curved side wall 112c of the first component 112. At this time, the first light source 120 can emit light to the light guide plate 132 to provide the light required by the display device 100 when displaying the screen.

Referring to FIG. 1 and FIG. 3 , the display device 100 of the present embodiment further includes a flexible frame 150 , and the flexible frame 150 is disposed above the flexible display module 130 . When the second component 114 is located at the first position P1 as shown in FIG. 2, the flexible frame 150 is not flexed and the partial flexible display module 130 is pressed against the bearing surface of the second component 114 as shown in FIG. 114a. When the second component 114 is in the second position P2 as shown in FIG. 4, the flexible frame 150 is flexed and the partial flexible display module 130 is pressed against the bearing arc of the first component 112 as shown in FIG. Face 112a. The flexible display module 130 can be slid with the second component 114 relative to the first component 112 by the flexibility of the flexible frame 150 and the pressing of the flexible display module 130. It is fixed to the bearing surface 114a of the second component 114 and is formed into a flat shape, or is surely abutted against the bearing surface 112a of the first component 112 and is curved.

In detail, in the present embodiment, the flexible frame 150 has two fixing portions 152 and two elastic portions 154 . The two fixing portions 152 are connected to the first component 112 , and the elastic portions 154 are connected between the two fixing portions 152 . And located above the second component 114. when When the second component 114 is in the first position P1 as shown in FIG. 2, the opposite edges 130b of the flexible display module 130 (FIG. 5 exemplarily indicates an edge 130b) are sandwiched between the two elastic portions 154 and the bearing. Between faces 114a. When the second component 114 is located at the second position P2 as shown in FIG. 4, the two edges 130b of the flexible display module 130 (FIG. 6 exemplarily indicates an edge 130b) are sandwiched between the two elastic portions 154 and the carrier. Between the arc faces 112a.

Referring to FIG. 2 and FIG. 4 , in the embodiment, the first component 112 includes two opposing first retaining walls W1 and two opposing second retaining walls W2 , and two first retaining walls W1 and two second retaining walls W2 . The flexible display module 130 shown in FIGS. 1 and 3 is collectively surrounded. The two fixing portions 152 of the flexible frame 150 are respectively connected to the two first retaining walls W1, and the two supporting curved surfaces 112a are respectively formed on the top sides of the two second retaining walls W2. In this design, the top side of each of the second retaining walls W2 can be formed into an arc shape to form the bearing arch surface 112a, and the plate body 112b can be formed into an arc shape, so that the stamping process can be used. The board body 112b is smoothly manufactured to reduce the difficulty in manufacturing the back board 110 of the display device 100.

As shown in FIG. 2 and FIG. 4, the second component 114 of the embodiment includes two brackets, and each of the brackets includes a base B1, a carrying portion B2, and a sliding portion B3. The plate body 112b of the first component 112 has a plurality of openings H. The sliding portion B3 is connected between the base portion B1 and the carrying portion B2 and includes a plurality of cylinders which are respectively slidably disposed in the openings H of the first component 112 in the direction D. The two bases B1 are located below the first component 112, and the two carriers B2 are located above the first component 112, and the bases B1 and the corresponding carriers B2 are respectively located on opposite sides of the plate 112b. Two bearing surfaces 114a respectively It is formed on the two carrying portions B2 to be adapted to carry the flexible display module 130 in the state shown in FIGS. 1 and 2 .

Further, the second unit 114 is connected to the elastic portion 154 of the flexible casing 150 by, for example, the connecting portion C extending from each of the base portions B1. When the second component 114 slides from the first position P1 shown in FIG. 2 relative to the first component 112 to the second position P2 shown in FIG. 4, the second component 114 applies a force to the flexible frame by the connecting portion C. The elastic portion 154 of the body 150 deflects the flexible frame 150 by elastic deformation of the elastic portion 154. In other embodiments, the second component 114 can be coupled and biased to the flexible frame 150 by other suitable structures, which are not limited in the present invention.

In summary, the embodiment of the present invention has at least one of the following advantages. In the above embodiment of the present invention, the flexible display module can be carried on the first by sliding of the second component relative to the first component. The load-bearing surface of the component is curved and the flexible display module can be carried on the bearing surface of the second component by the sliding of the second component relative to the first component, and is formed into a flat shape, so that the user can easily meet the requirements. Adjust the display surface of the flexible display module to a curved surface or a plane to improve the flexibility of the display device. In addition, in the display device of the above-described embodiment of the present invention, it is only necessary to form the bearing arch surface on the first component of the back plate without forming the plate body of the first component into an arc shape, thereby reducing the back plate of the display device. Difficulties in manufacturing. In addition, in addition to arranging a direct-type first light source on the plate of the first component to provide light to the flat flexible display module, side-in-side can be disposed on the curved side wall of the first component. a second light source for providing light to the curved light-incident side of the light guide plate when the flexible display module is curved, so that the flexible display module is in a flat shape or an arc Both can have good display brightness.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. In addition, any of the objects or advantages or features of the present invention are not required to be achieved by any embodiment or application of the invention. In addition, the abstract sections and headings are only used to assist in the search of patent documents and are not intended to limit the scope of the invention.

100‧‧‧ display device

110‧‧‧ Backboard

112‧‧‧First component

114‧‧‧Second component

130‧‧‧Flexible display module

130a‧‧‧ display surface

150‧‧‧Flexible frame

152‧‧‧ Fixed Department

154‧‧‧Flexible Department

B1‧‧‧ Base

B3‧‧‧Sliding Department

C‧‧‧Connecting Department

D‧‧‧ Direction

W2‧‧‧ second retaining wall

Claims (10)

A display device includes: a back plate including a first component and a second component, wherein the first component and the second component slide relative to each other, the second component is flexible and adapted to be opposite to the first An assembly is slid between a first position and a second position, the first component has at least one bearing surface, the second component has at least one bearing surface, and a first light source, wherein the first component comprises a board The first light source is disposed on the board; and a flexible display module is disposed on the carrying surface of the second component, and the flexible display module has a display surface, wherein the first When the two components are in the first position, the bearing surface carries the flexible display module to make the display surface planar, and when the second component is located in the second position, the bearing curved surface carries the flexible display The module makes the display surface a curved surface. The display device of claim 1, wherein the bearing surface is adapted to the flexible display mode when the second component is slid from the second position to the first position relative to the first component The group is detached from the bearing surface. The display device of claim 1, wherein the bearing curved surface is a concave curved surface. The display device of claim 1, further comprising a flexible frame, wherein the flexible frame is disposed on the flexible display module, and the second component is located in the first position The flexible frame is not bent and a part of the flexible display module is pressed against the bearing surface. When the second component is in the second position, the The flexible frame is flexed and a portion of the flexible display module is pressed against the load bearing surface. The display device of claim 4, wherein the flexible frame has two fixing portions and two elastic portions, the two fixing portions are connected to the first component, and the elastic portions are connected to the two fixing portions. Between the two components, the opposite ends of the flexible display module are sandwiched between the two elastic portions and the bearing surface, when the second component is located at the first position When the second component is in the second position, the two edges of the flexible display module are sandwiched between the two elastic portions and the bearing curved surface. The display device of claim 5, wherein the first component comprises two opposing first retaining walls and two opposing second retaining walls, the two first retaining walls and the two second retaining walls are collectively surrounding In the flexible display module, the two fixing portions are respectively connected to the two first retaining walls, and the at least one supporting curved surface is two and formed on the two second retaining walls. The display device of claim 5, wherein the second component comprises two brackets, each of the brackets comprises a base portion, a bearing portion and a sliding portion, the sliding portion being connected to the base portion and the carrying portion And slidingly disposed on the first component, the two bases are located under the first component, the two bearing parts are located above the first component, the number of the at least one bearing surface is two and respectively formed on the two bearing parts . The display device of claim 7, wherein the plate body has a plurality of openings, each of the sliding portions includes a plurality of cylinders, and the pillars are respectively slidably disposed on the openings, and the bases are respectively The corresponding bearing portions are respectively located on opposite sides of the plate body. The display device according to claim 1, further comprising a second light The light-emitting display module includes a light guide plate having a light-incident side, the first component has at least one curved sidewall, and the second light source is disposed on the curved sidewall when the load-bearing arc When the surface carries the flexible display module, the light incident side surface is curved and is located on the curved side wall. The display device of claim 1, wherein the flexible display module comprises a light guide plate, an optical film set and a display panel stacked in sequence.