TWI470313B - Display module and electronic device - Google Patents

Description

Display module and electronic device

The present invention relates to a display module and an electronic device, and more particularly to a display module that conforms to a slim border design and an electronic device that uses the display module.

In recent years, as the technology industry has become increasingly developed, electronic devices such as mobile phones, tablet computers, or e-books have been increasingly used in daily life. As the use of these electronic devices becomes more and more common and is moving toward a convenient and versatile design direction, consumers have gradually become soft and hard when purchasing these electronic devices. In addition to body function, an important purchase factor.

In general, in order to respond to the development of lightweight and large-size displays in response to the screen design, the display is usually designed to meet the narrow bezel design by reducing the non-display area around the screen to shield the display panel connection lines. Increase the display area of the screen.

The invention provides a display module, which can reduce the non-display area around the screen, improve the flexibility of the space design inside the device, and can meet the design requirements of the narrow frame to obtain a larger display area.

The invention further provides an electronic device using the foregoing display module.

The invention provides a display module, comprising a display panel, a first polarizer, a second polarizer, a backlight module, a frame and a tape. The display panel has a first surface and a second surface opposite the first surface. The first polarizer is disposed on the first surface, and the first end of the first polarizer extends beyond the display panel. The second polarizer is disposed on the second surface. The backlight module is disposed under the second polarizer. The frame surrounds the display panel and carries the backlight module. The tape is attached to the first end of the first polarizer and one side of the frame.

The invention further provides an electronic device comprising a body, a display module, a transparent upper cover and an optical glue. The display module is disposed in the body. The display module includes a display panel, a first polarizer, a second polarizer, a backlight module, a frame and a tape. The display panel has a first surface and a second surface opposite the first surface. The first polarizer is disposed on the first surface, and the first end of the first polarizer extends beyond the display panel. The second polarizer is disposed on the second surface. The backlight module is disposed under the second polarizer. The frame surrounds the display panel and carries the backlight module. The tape is attached to the first end of the first polarizer and one side of the frame. The transparent upper cover is assembled with the body. The center of the transparent upper cover has a light transmitting area. The light transmissive area exposes a display area of the display panel and a portion of the non-display area located at the periphery of the display area, and the periphery of the transparent upper cover has a shielding area covering the tape and the remaining non-display area. The optical glue is disposed between the transparent upper cover and the first polarizer, and the shielding area covers a portion of the optical glue.

In an embodiment of the present invention, the first end of the first polarizer protrudes from a side edge of the display panel by at least a first distance, and the first distance The distance is greater than 0 and less than 0.5 millimeters (mm). In addition, a first end of the second polarizer is adjacent to the first end of the first polarizer, and an edge of the first end of the second polarizer is at a second distance from a side edge of the adjacent display panel, wherein the first The sum of the distance and the second distance is greater than 0 and less than 1 mm.

In an embodiment of the invention, the tape is further extended from the side of the frame and attached to a bottom surface of the frame.

In an embodiment of the invention, a first end of the tape has an overlapping area with the first polarizer, and an edge of the first end on opposite sides of the overlapping area and the first end of the first polarizer The edges converge to a third distance, wherein the third distance is greater than 0.2 mm and less than 0.8 mm.

Based on the above, the touch display module of the present invention extends the first end of the polarizer to the outside of the display panel, so that the extended portion of the polarizer can be attached to the tape and can maintain the required attachment range of the tape. . Further, since the first end of the polarizer is outside the side edge of the display panel, the non-display area originally located between the edge of the first end of the polarizer and the side edge of the display panel can be reduced. In other words, the design of the present invention can increase the display area of the display panel or make the display module conform to the design requirements of the narrow bezel.

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

1 is a schematic diagram of an electronic device according to an embodiment of the present invention. 2 is a cross-sectional view of the electronic device of FIG. 1 taken along line I-I. Referring to FIG. 1 and FIG. 2 , in the embodiment, the electronic device 1 includes a body 10 and a transparent upper cover 20 . The optical glue 30 and a display module 100. The display module 100 is disposed in the body 10, and the transparent upper cover 20 is assembled with the body 10. The optical adhesive 30 adheres the display module 100 and the transparent upper cover 20. Further, the electronic device 1 is, for example, a mobile phone, a tablet PC, or an e-book. The electronic device 1 of the present embodiment is described by taking a mobile phone as an example. It should be noted that, in order to make the view clear, the scale of the electronic device 1 of FIG. 2 is adjusted, and the body 10 is not shown in FIG.

The display module 100 includes a display panel 110, a first polarizer 120, a second polarizer 130, a backlight module 140, a frame 150 and a tape 160. The display panel 110 has a first surface 112a and a second surface 114a opposite to the first surface 112a. The first polarizer 120 is disposed on the first surface 112a, and the first end 122 of the first polarizer 120 extends beyond the display panel 110. The second polarizer 130 is disposed on the second surface 114a. The backlight module 140 is disposed under the second polarizer 130 and is configured to provide a backlight to the display panel 110. The frame 150 surrounds the display panel 110 and carries the backlight module 140. The tape 160 is attached to the first end 122 of the first polarizer 120 and a side 152 of the frame 150.

The display panel 110 of the present embodiment is, for example, a liquid crystal panel including a first substrate 112 and a second substrate 114 disposed opposite to each other, and a display region disposed between the first substrate 112 and the second substrate 114. 116. In addition, the first substrate 112 has a first surface 112a, and the second substrate 114 has a second surface 114a, and a non-display area 118 is disposed on the periphery of the display area 116 for shielding the connection line of the display panel 110 (not drawn Show).

In addition, the transparent upper cover 20 is made of glass or a translucent plastic, and has a light transmissive area 22 in the center of the transparent upper cover 20. The light transmissive area 22 exposes the display area 116 of the display panel 110 and a portion of the non-display area 118 located at the periphery of the display area 116, and the periphery of the transparent upper cover 20 has a shielding area 24. The masking area 24 covers the tape 160 and the remaining portion of the non-display area 118. The optical adhesive 30 is disposed between the transparent upper cover 20 and the first polarizer 120, and the shielding area 24 covers a portion of the optical adhesive 30.

After the first end 122 of the first polarizer 120 extends to the outside of the display panel 110, the portion extending from the first polarizer 120 can be attached to the tape 160 and can maintain the desired attachment range of the tape 160. In addition, since the first end 122 of the first polarizer 120 is located outside the side edge of the display panel 110, a portion between the edge of the first end 122 of the first polarizer 120 and the side edge of the display panel 110 is originally located. The non-display area 118 can be reduced. Therefore, the display panel 110 can have a larger display area 116, and the display module 100 can meet the design requirements of the narrow bezel.

In addition, the display module 100 of the present embodiment further includes a touch panel 170 disposed between the first polarizer 120 and the transparent upper cover 20 . In more detail, the touch panel 170 and the first polarizer 120 are adhered to the transparent upper cover 20, so that the electronic device 1 has a touch function.

The difference between the electronic device 1 of the present embodiment and the electronic device 1a that does not extend out of the first polarizer 120 will be further described below.

3 is a cross-sectional view of an electronic device that does not extend out of the first polarizer. Table 1 is a comparison table of the dimensions of the electronic device of the present invention and the electronic device of FIG. Please refer to FIG. 2, FIG. 3 and Table 1. The electronic device 1a and FIG. 3 of FIG. The electronic device 1 of the embodiment is similar, and only the differences between the two are described herein, wherein the same or similar component numbers represent the same or similar methods, and are not described herein again.

Specifically, the first end 122 of the first polarizer 120 of the embodiment protrudes from at least one first distance D1 of one side edge of the display panel 110. In addition, the first end 132 of the second polarizer 130 is adjacent to the first end 122 of the first polarizer 120, and the edge of the first end 132 of the second polarizer 130 is spaced apart from the side edge of the adjacent display panel 110. Two distances D2, and the sum of the first distance D1 and the second distance D2 is greater than 0 and less than 1 mm, and the embodiment is exemplified by 0.4 mm, wherein the first distance D1 is greater than 0 and less than 0.5 mm, and the implementation is 0.2. Mm is an example.

In addition, the first end 162 of the tape 160 has an overlapping area with the first polarizer 120, and the edge of the first end 162 of the tape 160 on the opposite sides of the overlapping area and the first end 122 of the first polarizer 120 The edges are separated by a third distance E, wherein the third distance E is greater than 0.2 mm and less than 0.8 mm, and in this embodiment, for example, 0.5 mm is exemplified.

Further, A is the size of the non-display areas 118 and 118a, B is the size of the edge of the display area 116 to the edge of the shielding area 22, C is the size of the optical glue 30 covering the portion of the shielding area 22, and D is the optical adhesive 30. The edge is dimensioned to the edge of the tape 160, E is the third distance, and F is the dimension of the edge of the first ends 122 and 122a of the first polarizer 120 and 120a to the side edges of the display panels 110 and 110a, respectively. Since the display module 100 of the present embodiment changes the distance between the edge of the first end 122 of the first polarizer 120 and the side edge of the display panel 110, the first polarizer 120 is extended and the first polarizer is extended. The edge of the first end 122 of the 120 is convex with respect to the side edge of the display panel 110, wherein the distance that the first polarizer 120 is extended is, for example, the sum of the first distance D1 and the second distance D2.

In the above, the portion from which the first polarizer 120 extends can be attached by the tape 160, and the reliability of the display module 100 can be maintained without changing the third distance E. In addition, the edge of the first end 122 of the first polarizer 120 is extended from the edge of the first end 122a of the first polarizer 120a of FIG. 3 by a sum of the first distance D1 and the second distance D2, thereby reducing A non-display area 118 at a portion between the edge of the first end 122a of the first polarizer 120a and the side edge of the display panel 110 is shown in FIG. In other words, the non-display area 118 of the present embodiment can reduce the sum of the first distance D1 and the second distance D2, which is, for example, 0.4 mm, compared to the non-display area 118a of FIG. Therefore, the display panel 110 of the present embodiment has a larger display area 116 than the display panel 110a of FIG. 3, and allows the display module 100 to meet the requirements of a narrow bezel design.

4 is a schematic diagram of an electronic device according to another embodiment of the present invention. Referring to FIG. 4, the electronic device 1b of the embodiment is similar to the electronic device 1 of FIG. Only the differences between the embodiment and the embodiment of FIG. 2 are described herein, wherein the same or similar reference numerals are used to refer to the same or similar elements and will not be described again. In the present embodiment, the tape 160b extends from the side 152 of the frame 150 to a bottom surface 154 of the frame 150, and the second end 164 of the tape 160b is attached to the bottom surface 154 of the frame 150 or attached to the frame 150. Side 152 and its bottom surface 154. Thereby, the display panel 110 and the frame 150 are fixed.

In summary, the first polarizer of the present invention is extended to the outside of the display panel, so that the portion of the first polarizer extending can be attached to the tape without affecting the reliability of the display module. In addition, since the edge of the first end of the first polarizer protrudes from the side edge of the display panel, the non-display area of the portion originally located between the edge of the first end of the first polarizer and the side edge of the display panel can be cut back. Therefore, the display panel has a large display area, and the display module can meet the requirements of a narrow bezel design.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

1a‧‧‧Electronic devices

110a‧‧‧ display panel

118a‧‧‧Non-display area

120a‧‧‧First polarizer

122a‧‧‧ first end

1, 1b‧‧‧ electronic devices

10‧‧‧ body

20‧‧‧Transparent cover

22‧‧‧Lighting area

24‧‧‧shaded area

30‧‧‧Optical adhesive

100‧‧‧ display module

110‧‧‧ display panel

112‧‧‧First substrate

112a‧‧‧ first surface

114‧‧‧second substrate

114a‧‧‧second surface

116‧‧‧ display area

118‧‧‧Non-display area

120‧‧‧First polarizer

122‧‧‧ first end

130‧‧‧Second polarizer

132‧‧‧ first end

140‧‧‧Backlight module

150‧‧‧Frame

152‧‧‧ side

154‧‧‧ bottom

160, 160b‧‧‧ Tape

162‧‧‧ first end

164‧‧‧ second end

170‧‧‧Touch panel

D1‧‧‧First distance

D2‧‧‧Second distance

E‧‧‧ third distance

1 is a schematic diagram of an electronic device according to an embodiment of the present invention.

2 is a cross-sectional view of the electronic device of FIG. 1 taken along line I-I.

3 is a cross-sectional view of an electronic device that does not extend out of the first polarizer.

4 is a schematic diagram of an electronic device according to another embodiment of the present invention.

1‧‧‧Electronic device

20‧‧‧Transparent cover

22‧‧‧Lighting area

24‧‧‧shaded area

30‧‧‧Optical adhesive

100‧‧‧ display module

110‧‧‧ display panel

112‧‧‧First substrate

112a‧‧‧ first surface

114‧‧‧second substrate

114a‧‧‧second surface

116‧‧‧ display area

118‧‧‧Non-display area

120‧‧‧First polarizer

122‧‧‧ first end

130‧‧‧Second polarizer

132‧‧‧ first end

140‧‧‧Backlight module

150‧‧‧Frame

152‧‧‧ side

160‧‧‧ Tape

162‧‧‧ first end

170‧‧‧Touch panel

D1‧‧‧First distance

D2‧‧‧Second distance

E‧‧‧ third distance

Claims (10)

A display module includes: a display panel having a first surface and a second surface opposite to the first surface; a first polarizer disposed on the first surface, and one end of the first polarizer Extending to the outside of the display panel; a second polarizer disposed on the second surface; a backlight module disposed under the second polarizer; a frame surrounding the display panel and carrying the backlight module And a tape attached to the end of the first polarizer and a side of the frame. The display module of claim 1, wherein the end of the first polarizer protrudes from a side edge of the display panel by at least a first distance, and the first distance is greater than 0 and less than 0.5 mm. The display module of claim 2, wherein one end of the second polarizer is adjacent to the end of the first polarizer, and an edge of the end of the second polarizer is adjacent to the adjacent display panel. The side edges are separated by a second distance, and the sum of the first distance and the second distance is greater than 0 and less than 1 mm. The display module of claim 1, wherein the tape is further extended from the side of the frame and attached to a bottom surface of the frame. The display module of claim 1, wherein a first end of the tape has an overlapping area with the first polarizer, and an edge of the first end on opposite sides of the overlapping area is The edge of the end of the first polarizer is separated by a third distance, and the third distance is greater than 0.2 mm and Less than 0.8mm. An electronic device comprising: a body; a display module disposed in the body, the display module comprising: a display panel having a first surface and a second surface opposite the first surface; a polarizer is disposed on the first surface, and one end of the first polarizer extends outside the display panel; a second polarizer is disposed on the second surface; and a backlight module is disposed on the first surface a polarizer; a frame surrounding the display panel and carrying the backlight module; and a tape attached to the end of the first polarizer and a side of the frame; a transparent cover assembled with the body a transparent area of the transparent upper cover, the transparent area exposing a display area of the display panel and a non-display area of a portion of the periphery of the display area, and a periphery of the transparent upper cover has a shielding area, the shielding The area covers the tape and the remaining portion of the non-display area; and an optical glue disposed between the transparent upper cover and the first polarizer, the masking area covering a portion of the optical glue. The electronic device of claim 6, wherein the end of the first polarizer protrudes from a side edge of the display panel by at least a first distance, and the first distance is greater than 0 and less than 0.5 mm. The electronic device of claim 7, wherein one end of the second polarizer is adjacent to the end of the first polarizer, and the edge of the end of the second polarizer is adjacent to the adjacent display panel The side edges are separated by a second distance, and the sum of the first distance and the second distance is greater than 0 and less than 1 mm. The electronic device of claim 6, wherein the tape is further extended from the side of the frame and attached to a bottom surface of the frame. The electronic device of claim 6, wherein a first end of the tape has an overlapping area with the first polarizer, and an edge of the first end on opposite sides of the overlapping area The edge of the end of the first polarizer is at a third distance, and the third distance is greater than 0.2 mm and less than 0.8 mm.