TWI490830B - Display module and display device using display module - Google Patents

Description

Display module and display using the same

The present invention relates to a display module and a display using the same, and more particularly to a display module that is lightweight and thin, and a display using the same.

The conventional display module includes a metal back plate, a reflective sheet, a light guide plate, a light source, a plastic frame, and a display panel. The reflective sheet is disposed on the metal back plate, the light guide plate is disposed on the reflective sheet, the light source is disposed adjacent to the light guide plate and is disposed on the plastic frame, and the display panel is disposed on the plastic frame.

However, the above structures all have their thickness and weight, and after the layers are stacked, the thickness of the display module is thicker and heavier. That is to say, the more components stacked in layers, the less the trend toward weight reduction and thinning.

The invention relates to a display module and a display using the same, the display module has a thinner thickness and a lighter weight.

According to a first aspect of the invention, a display module is provided. The display module includes a reflective sheet, an optical component, and a display panel. The reflective sheet has a recess and includes a side portion. The optical element is disposed in the recess of the reflective sheet. The display panel is disposed on a side of the reflective sheet.

According to a second aspect of the invention, a display is presented. The display includes a display module and a housing. The display module includes a reflective sheet, an optical component, and a display panel. The reflective sheet has a recess and includes a side portion. The optical element is disposed in the recess of the reflective sheet. The display panel is disposed on a side of the reflective sheet. The outer casing covers at least a portion of the display module.

In order to provide a better understanding of the above and other aspects of the present invention, the following detailed description of the embodiments and the accompanying drawings

Please refer to FIG. 1 , which is a cross-sectional view of a display module according to an embodiment of the invention. The display module 100 includes a reflective sheet 102, at least one optical component, a plastic frame 138, and a display panel 110. The display panel 110 is, for example, a liquid crystal display panel or other type of display panel.

The reflective sheet 102 is, for example, an integrally formed structure made of, for example, microcellular polystyrene (MCPET) or other reflective material such as aluminum or aluminum-magnesium alloy. MCPET uses PET (polyethylene Terephthalate) as the substrate for the foaming process. The foamed particles inside can reflect most of the incident light, so that the reflectivity of MCPET is generally over 99%, and the reflection of each wavelength source. Ability to maintain uniformity. In addition, MCPET as a reflector has a thin thickness, light weight, good support, impact resistance, high smoothness on the surface, high temperature resistance (can maintain shape at 160 degrees Celsius), easy processing and cost, relative cost It has the advantages of being low, and can be disposed of by the general PET resource recycling method.

The thickness of the reflective sheet 102 is between about 0.2 and 1 mm, and the thin reflective sheet 102 replaces the structure of the original metal back sheet and the reflective sheet, in addition to the function of carrying and reflecting. The thickness, weight and cost of the display module 100 can be reduced, and the display can be made lighter and thinner.

The reflective sheet 102 has a recess 102a and includes a side portion 102b. The optical component includes a light guide plate 104, at least one optical film 106, and a light source 108 disposed in the recess 102a. The optical film 106 is, for example, a Prism Sheet or a diffuser, and the types of the optical films 106 may be the same or different.

The light source 108 is, for example, a light emitting diode (LED). The light source 108 can be disposed adjacent to the light incident side of the light guide plate 104, so that the light guide plate 104, the optical film 106, and the light source 108 form an edge-light type backlight module, which is not used to limit the present invention. . The display panel 110 is disposed on the side portion 102b. The display panel 110 includes a color filter substrate 112 and a thin film transistor array substrate 114.

In addition, the reflective sheet 102 further includes a carrying portion 102c, and the optical element is disposed on the carrying portion 102c. The side portion 102b includes a flange 102b1 and a connecting portion 102b2, and the connecting portion 102b2 connects the flange 102b1 and the carrying portion 102c. The display panel 110 may be disposed on the flange 102b1 of the side portion 102b. For example, the display panel 110 is disposed with the thin film transistor array substrate 114 adjacent to the upper surface 102u of the flange 102b1. In addition, although the thin film transistor array substrate 114 of FIG. 1 is supported on the plastic frame 138, in other embodiments, the thin film transistor array substrate 114 may not bear between the plastic frame 138 and the plastic frame 138. Keep a gap.

Although the size of the thin film transistor array substrate 114 of the present embodiment is exemplified by the size of the color filter substrate 112, it is not intended to limit the present invention. Please refer to FIG. 2, which is a cross-sectional view of a display module in accordance with another embodiment of the present invention. The display panel 710 of the display module 700 includes a color filter substrate 712 and a thin film transistor array substrate 714. The size of the color filter substrate 712 is larger than the size of the thin film transistor array substrate 714. The display panel 710 is disposed with the color filter substrate 712 adjacent to the upper surface 702u of the flange 702b1. In the present embodiment, display panel 710 includes circuit elements 728 that are disposed through reflective sheet 702. The reflective sheet 702 has a recess 702r through which the circuit component 728 extends and extends beyond the reflective sheet 702. The recess 702r of the reflective sheet 702 is similar to the recess 202r of FIG. 5 (the recess 202r is described later) . In addition, the plastic frame 738 of the display module 700 has a notch 738r or a through hole, and the circuit component 728 can be disposed through the notch 738r or the through hole of the plastic frame 738; or the circuit component 728 can also bypass the outer side of the plastic frame 738. It is then disposed through the recess 702r, in which case the bezel 738 can omit the notch 738r or through-hole of the bezel 738.

The display panel overlaps at least a portion of the flange. For example, the display panel 110 overlaps with the entire upper surface 102u of the flange 102b1, and more portions of the reflective sheet 102 are connected to the display panel 110, which contributes to improving the structural strength of the overall display module 100. When the display panel 110 overlaps the entire upper surface 102u of the flange 102b1, the display panel 110 is viewed from the plan view direction of the first drawing, which completely covers the reflection sheet 102. In one embodiment, the display panel 110 overlaps only a portion of the upper surface 102u of the flange 102b1. When the display panel 110 overlaps a portion of the upper surface 102u of the flange 102b1, the reflection sheet 102 is viewed from the plan view direction of Fig. 1, and another portion of the upper surface 102u of the flange 102b1 is exposed.

The connecting portion 102b2 is connected to the carrying portion 102c upright. The connecting portion 102b2 is a surrounding body to define or surround the recess 102a. The flange 102b1 extends toward the outer side of the connecting portion 102b2. In one embodiment, the flange 102b1 is substantially parallel to the carrier portion 102c.

At least one of the reflective sheet and the display panel includes a bonding member to bond the display panel and the reflective sheet. For example, the bonding component 120 can be disposed on the thin film transistor array substrate 114 of the display panel 110. The display panel 110 can be firmly bonded to the reflective sheet 102 by the bonding component 120. In other embodiments, the bonding component 120 can be disposed on the flange 102b1 of the reflective sheet 102. Alternatively, the bonding component 120 can be disposed on the flange 102b1 of the reflective sheet 102 and the thin film transistor array substrate of the display panel 110. 114 on. Among them, the bonding member is, for example, a double-sided adhesive or a sealant.

In another embodiment, the display panel is a touch display panel. For example, please refer to FIG. 3, which is a cross-sectional view of a display module in accordance with still another embodiment of the present invention. The display module 200 includes a display panel, a reflective sheet 202, and the above optical elements. The display panel is a touch display panel 210, which includes a display unit 216 and a touch unit 218. The display unit 216 and the touch unit 218 can be firmly coupled through the bonding component 226. The display unit 216 includes a color filter substrate 212 and a thin film transistor array substrate 214, which are similar to the color filter substrate 112 and the thin film transistor array substrate 114, respectively, and will not be described again. The touch unit 218 includes an inductive substrate 222 and a glass substrate 224. The sensing substrate 222 has an inductive line to sense a touch action. The glass substrate 224 is covered on the sensing substrate 222 to protect the sensing substrate 222. The touch display panel 210 is disposed on the side portion 202b of the reflective sheet 202 by the touch unit 218, for example, disposed on the upper surface 202u of the flange 202b1 adjacent to the side portion 202b. The structure of the side portion 202b is similar to that of the side portion 102b described above, and will not be described again. In the present embodiment, the length of the glass substrate 224 is greater than the length of the sensing substrate 222.

In FIG. 3, the touch unit 218 is disposed on the side portion 202b with the sensing substrate 222, which is not intended to limit the present invention. In still another embodiment, please refer to FIG. 4, which is a cross-sectional view of a display module in accordance with still another embodiment of the present invention. The touch unit 618 of the display module 600 includes an inductive substrate 622 and a glass substrate 624. The touch unit 618 is disposed on the side portion 202b with the sensing substrate 622. In this embodiment, the lengths of the sensing substrate 622 and the glass substrate 624 are substantially the same.

In other implementations, the display panel is, for example, a 3D display panel. For example, the display panel includes a display unit 216 and a 3D function board (not shown), and the display panel is disposed on the side portion 202b of the reflective sheet 202 with the display unit 216 or the 3D function board. The connection relationship between the 3D function board and the display unit 216 can be similar to the connection relationship between the touch unit 218 and the display unit 216 in FIG. 3, and details are not described herein again. The picture of the display unit 216 can be stereoscopically displayed through the 3D function board. The 3D function board is, for example, a lenticular type 3D function board, a barrier type 3D function board, or a phase retarder type 3D function board.

In addition, the material of the reflective sheet 202 is similar to that of the reflective sheet 102 described above, and thus will not be described again. At least one of the reflective sheet 202 and the touch display panel 210 includes a bonding component 220 to combine the touch display panel 210 and the reflective sheet 202. In this embodiment, the bonding component 220 is disposed on the touch unit 218 of the touch display panel 210. Alternatively, in other embodiments, the bonding component 220 may be disposed on the side portion 202b of the reflective sheet 202, for example, adjacent to the side portion. The upper surface 202u of the flange 202b1 of 202b is disposed.

The display unit 216 is located within the recess 202a of the reflective sheet 202 (the recess 202a is illustrated in FIG. 3) and has circuit elements 228 through which the circuit elements 228 can be disposed. For example, please refer to FIG. 5, which shows a side view of the reflection sheet of FIG. The reflective sheet 202 has a recess 202r through which the circuit component 228 extends and extends beyond the reflective sheet 202. In this embodiment, the notch 202r is formed on the flange 202b1 and the connecting portion 202b2 of the reflective sheet 202 and extends to the outer side 202s of the flange 202b1. Alternatively, in other embodiments, the recess 202r may be a closed opening. It is opened on the connecting portion 202b2. The above circuit component 228 is, for example, a flexible printed circuit board (FPC).

The display panel plus the housing can form a display, such as a liquid crystal display or other type of display. Referring to FIG. 6, a cross-sectional view of a display in accordance with an embodiment of the present invention is shown. The display 300 includes a display module 100 and a housing 330 that encloses at least a portion of the display module 100. For example, the outer casing 330 includes a lower casing 332, an upper casing 334, and a positioning member 336. The positioning member 336 is disposed in the lower casing 332 and has a step structure (or a step structure). The display module 100 is disposed on the positioning member 336 and is restrained by the step structure of the positioning member 336 without being easily shaken. The upper case 334 is connected to the lower case 332 and exposes a portion of the display module 100, for example, the display surface of the display module 100 is exposed. The lower case 332 and the upper case 334 are, for example, a plastic case or a metal case, and the positioning member 336 is made of, for example, a plastic or rubber material. In addition, in one embodiment, a housing can be covered by the display module 700 of FIG. 2 to form a display (not shown), wherein the housing is similar to the housing 330 of FIG. 6 and will not be described again.

In another embodiment, please refer to FIG. 7, which is a cross-sectional view of a display according to another embodiment of the present invention. The display 400 includes a display module 200 and a housing 430. The housing 430 is similar to the housing 330, and will not be described again. In addition, in one embodiment, the display (not shown) includes a housing and a display module 600 of FIG. 4, the housing enclosing the display module 600. The outer casing is similar to the outer casing 430 of Fig. 7, and will not be described again.

In still another embodiment, please refer to FIG. 8 , which is a cross-sectional view of a display according to still another embodiment of the present invention. The display 500 includes a display module 100, a housing 530, and a touch unit 218. The outer casing 530 and the touch unit 218 cover the entire display module 100 , and the outer casing 530 covers a portion of the touch unit 218 . The outer casing 530 includes a lower casing 532, an upper casing 534, and a positioning member 536. The positioning member 536 is disposed in the lower casing 532 and has a step structure (or a step structure). The display module 100 and the touch unit 218 are all disposed on the positioning member 536, and are restrained by the step structure of the positioning member 536. Shake. The upper case 534 is connected to the lower case 532 and exposes a portion of the touch unit 218 , for example, the sensing area of the touch unit 218 is exposed. In addition, in one embodiment, the display (not shown) includes a housing, a display module 700 of FIG. 2, and a touch unit 218. The housing covers the display module 700 and the touch unit 218 of FIG. The outer casing is similar to the outer casing 530 of Fig. 8, and will not be described again.

The display module and the display using the same according to the above embodiments of the present invention have a plurality of features, and only a few of them are listed below:

1). The structure of the reflective sheet is integrally formed.

2). The display module can omit the metal back plate, so that the thickness of the overall display module is reduced, the weight is reduced, and the cost is reduced.

3). The display panel is provided on the side of the reflective sheet with the thin film transistor array substrate.

4). The touch display panel is provided on the side of the reflective sheet with the touch unit.

In the above, the present invention has been disclosed in at least one embodiment, and is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100, 200, 600, 700‧‧‧ display modules

102, 202, 702‧‧‧ reflection film

102a, 202a‧‧‧ recess

102b, 202b‧‧‧ side

102b1, 202b1, 702b1‧‧‧Flange

102b2, 202b2‧‧‧ Connections

102c‧‧‧Loading Department

102u, 202u, 702u‧‧‧ upper surface

104‧‧‧Light guide plate

106‧‧‧Optical film

108‧‧‧Light source

110, 710‧‧‧ display panel

112, 212, 712‧‧‧ color filter substrate

114, 214, 714‧‧‧ Thin film transistor array substrate

120, 220, 226‧‧‧ bonding components

138, 738‧‧‧ plastic frame

216‧‧‧ display unit

218, 618‧‧‧ touch unit

202r, 702r, 738r‧‧‧ notches

202s‧‧‧ outside side

210‧‧‧Touch display panel

222, 622‧‧‧Induction substrate

224, 624‧‧‧ glass substrate

228‧‧‧ circuit components

300, 400, 500‧‧‧ display

330, 430, 530‧‧‧ shell

332, 532‧‧‧ lower shell

334, 534‧‧‧ upper shell

336, 536‧‧‧ positioning parts

728‧‧‧ Circuit components

1 is a cross-sectional view of a display module in accordance with an embodiment of the present invention.

2 is a cross-sectional view of a display module in accordance with another embodiment of the present invention.

3 is a cross-sectional view of a display module in accordance with still another embodiment of the present invention.

4 is a cross-sectional view of a display module in accordance with still another embodiment of the present invention.

Fig. 5 is a side view showing the reflection sheet of Fig. 3.

Figure 6 is a cross-sectional view of a display in accordance with an embodiment of the present invention.

Figure 7 is a cross-sectional view of a display in accordance with another embodiment of the present invention.

Figure 8 is a cross-sectional view of a display in accordance with yet another embodiment of the present invention.

100‧‧‧ display module

102‧‧‧reflector

102a‧‧‧ recess

102b‧‧‧ side

102b1‧‧‧Flange

102b2‧‧‧Connecting Department

102c‧‧‧Loading Department

102u‧‧‧ upper surface

104‧‧‧Light guide plate

106‧‧‧Optical film

108‧‧‧Light source

110‧‧‧ display panel

112‧‧‧Color filter substrate

114‧‧‧Film transistor array substrate

120‧‧‧bonding components

138‧‧‧ plastic frame

Claims (18)

A display module includes: a reflective sheet having a recess and including a side portion, the reflective sheet is made of micro-foamed polyethylene terephthalate, and the reflective sheet has a thickness of 0.2 to 1 Between the PCT; an optical component disposed in the recess of the reflective sheet; and a display panel disposed on the side of the reflective sheet; wherein the recess has an opening facing the display panel, and The reflective sheet is combined with the display panel, wherein at least one of the reflective sheet and the display panel comprises: a bonding component disposed on the side of the reflective sheet or the display panel to combine the display The panel and the reflective sheet. The display module of claim 1, wherein the reflective sheet further comprises a carrying portion, the optical component is disposed on the carrying portion, the side portion includes: a flange; and a connecting portion connecting the a flange and the bearing portion; wherein the display panel is disposed on the flange. The display module of claim 2, wherein the flange extends in a direction toward an outer side of the connecting portion. The display module of claim 1, wherein the display panel comprises a thin film transistor array substrate and a color filter substrate, and the bonding component is disposed on the side of the reflective sheet or the display panel The thin film transistor array substrate and one of the color filter substrates are coupled to the display panel and the reflective sheet. The display module of claim 1, wherein the display panel is a touch display panel. The display module of claim 5, wherein the touch display panel comprises: a display unit; and a touch unit disposed opposite to the display unit; wherein the touch display panel is configured by the touch The control unit is disposed on the side. The display module of claim 6, wherein the display unit is located in the recess and has a circuit component disposed through the reflective sheet. The display module of the sixth aspect of the invention, wherein the bonding component is disposed on the side of the reflective sheet or the touch unit of the touch display panel to combine the touch display panel with the reflection sheet. The display module of claim 1, wherein the display panel is a 3D display panel. A display comprising: a display module comprising: a reflective sheet having a recess and including a side portion, the material of the reflective sheet being micro-foamed polyethylene terephthalate, and the thickness of the reflective sheet is Between 0.2 and 1 mm; an optical component disposed in the recess of the reflective sheet; and a display panel disposed on the side of the reflective sheet; wherein the recess has an opening, the opening facing The display panel, and the reflective sheet is combined with the display panel by the side portion, wherein the reverse At least one of the lens and the display panel includes: a bonding component disposed on the side of the reflective sheet or the display panel to couple the display panel and the reflective sheet; and an outer casing covering the display At least a part of the module. The display device of claim 10, wherein the reflective sheet further comprises a carrying portion, the optical member is disposed on the carrying portion, the side portion includes: a flange; and a connecting portion connecting the flange And the carrying portion; wherein the display panel is disposed on the flange. The display of claim 11, wherein the flange extends in a direction toward an outer side of the connecting portion. The display device of claim 10, wherein the display panel comprises a thin film transistor array substrate and a color filter substrate, the bonding component is disposed on the side of the reflective sheet or the thin film of the display panel The transistor matrix substrate and one of the color filter substrates are coupled to the display panel and the reflective sheet. The display device of claim 10, wherein the display panel is a touch display panel. The display device of claim 14, wherein the touch display panel comprises: a display unit; and a touch unit disposed opposite to the display unit; wherein the touch display panel is the touch unit Located on the side. The display of claim 15, wherein the display unit is located in the recess and has a circuit component disposed through the reflective sheet. The display device of claim 15 , wherein the bonding component is disposed on the side of the reflective sheet or the touch unit of the touch display panel to couple the touch display panel and the reflective sheet. The display of claim 10, wherein the display panel is a 3D display panel.