TWI415537B - Flat-panel display - Google Patents

Abstract

The utility model relates to a plane display, wherein the plane display has a structure formed by directly integrating the wires of peripheral modules hung externally to the glass substrate of a panel to transmit the required signals by the externally-hung peripheral modules, the externally-hung peripheral modules can be connected with the substrate of the panel through a flexible circuit board and also can be welded on the glass substrate, the signal routes on the glass substrate are connected to a control board through a further flexible circuit board, and the control board can also be the display control module of the control panel.

Description

Flat panel display

The present invention relates to a structure of a flat panel display, and more particularly to a structure of a flat panel display incorporating a peripheral module lead on a substrate.

With the rapid development of technology, there are no obvious types of applications for many electronic products. For example, home TVs can also be computer screens, mobile phones are also cameras, and even integrated TVs, cameras, cameras, mobile phones, personal digital assistants (PDAs). ) and so on for a machine. Despite the increasing power of the product, many components have to be smaller and smaller, and even the keyboard is not needed, but the size of the screen is getting bigger and bigger. In addition to a large screen, many products need to be connected to some functional modules, such as camera modules, antenna modules, sensors or microphones. These modules usually have separate signal lines and connections. Connectors are connected to the control panel.

Figure 1 shows a schematic diagram of a conventional notebook computer (NB) screen. Current notebook screens typically use a liquid crystal panel with a camera module 102 attached to the periphery of the panel 101. The liquid crystal panel 101 is connected to the display control board (Tcon PCBA) 104 through a flexible circuit board (FPC) 103. The display control board 104 is connected to the connector 110b of the system control board 110 through the panel signal line 106. The camera module 102 has a connector 102a. The camera signal line 107 is connected to the connector 102a on the camera module 102 and the connector 110a on the system control board 110 to transmit the camera control signal.

In the above architecture, since a plurality of sets of signal lines such as the panel wiring 106 and the camera signal line 107 are to be used, there are also a plurality of sets of connectors such as the connector 102a on the camera module 102 and the connectors 110a, 110b on the system control board. In addition to the higher cost, it takes more time to assemble. More importantly, these signal lines take up too much space, making the product more difficult in thinning or narrow frame design.

The object of the present invention is to provide a flat panel display in which an external peripheral module wire is integrated on a glass substrate.

The invention provides a flat panel display comprising a substrate having a display unit on the surface, a display control module for generating display control signals, and an external peripheral module. The display unit further includes a first set of wires formed on the surface of the substrate, the first set of wires connecting the display unit and the display control module, and a second set of wires also formed on the surface of the substrate for electrically connecting to the external periphery Module.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

2 is a schematic diagram of a flat panel display in which an external peripheral module lead is integrated on a glass substrate of a display panel. The display panel can be a liquid crystal display panel (LCD), a plasma display panel (PDP), an organic light emitting diode display panel (OLED) or a field emission display. Field Emission Display Panel (FED) and so on. A display unit such as the display panel 201 is disposed on a surface of the substrate, and an external peripheral module such as a camera module 202 and a display control template (Tcon PCBA) 204 are disposed on the periphery of the display panel 201. The display control template 204 is for generating a display control signal to the display panel 201. The display panel 201 is provided with a plurality of panel wires 205, such as a gate line, a signal line, a common line, and a power line required for the panel. The wire 205 can be directly connected to the display control board 204, and can also be connected to the display control board 204 through the flexible circuit board 203. The display control board 204 is connected to the system control board 210 through the panel signal line 206. The camera module 202 is connected to the camera lead 207 on the panel by another flexible circuit board 208. The camera lead 207 is also connected to the display control board 204 by a flexible circuit board 203. The flexible circuit board 203 can be a whole piece or a plurality of The processing circuit of the camera module can also be integrated on the display control board 204. The display control board 204 further connects the control signal of the camera module to the system control board 210 through the panel signal line 206. In addition to being connected to the panel 201 by the flexible circuit board 208, these external peripheral modules may also be directly connected to the panel by bonding.

FIG. 3 is a schematic diagram showing another embodiment of a flat-panel display in which an external peripheral module wire is integrated on a glass substrate of a display panel. On the periphery of the panel 201, there is an external peripheral module such as a camera module 202. The panel 201 is provided with a plurality of panel wires 205, such as a gate wire, a data wire, a common wire, and a power cable required for the panel. The panel wires 205 are connected to the display control panel 204 through the flexible circuit board 203a, and the display panel is displayed. 204 is then coupled to system control board 210 via panel signal line 206. The camera module 202 is first connected to the camera lead 207 on the panel by another flexible circuit board 208. The camera lead 207 is connected to the display control board 204 via the flexible circuit board 203b, and the display control board 204 is further connected to the camera. The control signal is connected to the system control board 210 through the panel signal line 206.

FIG. 4 is a schematic diagram of a flat panel display in which different external peripheral module wires are integrated on a glass substrate of a display panel. There are two sets of external peripheral modules such as a camera module 202 and an antenna (RF) module 211 on the periphery of the panel 201. The panel 201 is provided with a plurality of panel wires 205, such as a gate line, a signal line, a common line, and a power line required for the panel. 205, connected to the display control board (Tcon PCBA) 204 through a flexible circuit board (FPC) 203, and the display control board 204 is connected to the system control board 210 through the panel signal line 206. The camera module 202 and the antenna module 211 are respectively connected to the camera lead 207a and the antenna lead 209 on the panel by the flexible circuit boards 208a, 208b. The camera lead 207 and the antenna lead 209 are connected to the display control board 204 via the flexible circuit board 203. The display control board 204 connects the control signals of the camera and the antenna to the system control board 210 through the panel signal line 206. In addition to being a camera or an antenna module, these external peripheral modules can also be light sensing modules, temperature sensing modules, microphones, speakers, and the like. In addition to plugging in different modules, you can also choose to plug two or more identical modules, such as two camera modules.

In a general layout, the panel conductor 205 typically has two or more conductive layers, such as a gate line using a first conductive layer (M1) and a data line using a second conductive layer (M2) with a middle sandwich. At least one insulating layer. Therefore, when the external module wire is disposed on the glass substrate, the first conductive layer or the second conductive layer may be selected as the wire as needed. A cross-sectional view of A-A' of the camera wire 207 of Fig. 4 is shown in Fig. 5a. The glass substrate 500 is plated with a first insulating layer 502, the first insulating layer 502 is plated with a patterned second conductive layer 503, and the second conductive layer 503 is plated with a second insulating layer 504, which is a second conductive layer. 503 is taken as an embodiment of camera wire 207.

Figure 5b is a cross-sectional view of B-B' of the antenna lead 209 of Figure 4. The first conductive layer 501 is patterned on the first conductive layer 501. The first insulating layer 502 is plated with a patterned second conductive layer 503. The second conductive layer 503 is coated on the glass substrate 500. The second insulating layer 504 is plated with the second conductive layer 503 for signal conduction, and the lower first conductive layer 501 can be a floating electrode or connected to a certain potential such as ground. Used as a signal shielding. A third conductive layer, such as a transparent conductive film, Indium Tin Oxide (ITO), is also added over the second insulating layer 504. The third conductive layer can also increase the effect of signal shielding.

Figure 6 is a schematic diagram of a flat panel display having a plurality of terminal structures for a peripheral module lead. The camera lead 207 has a plurality of terminal structures that can be adjusted according to the position required for the layout of the terminal system mechanism. As shown in FIG. 6, two sets of camera wires 207c and 207d are designed. The first set of camera wires 207c are fabricated using a first conductive layer, and the second set of camera wires 207d are fabricated using a second conductive layer, each set of camera wire ends being provided. For a plurality of terminals such as 207c1, 207c2, 207c3, and 207c4, the terminal system manufacturer can select the terminals of any two different camera wires according to the position required by the mechanism layout, as shown in position A, B, C, D of FIG. E, this makes the design of the overall product more convenient.

In the preferred embodiment of the present invention, the external peripheral module can be a camera module, a light sensor, a thermal sensor, a microphone, Speaker, or antenna, etc. These external peripheral modules can be attached to the substrate of the panel using a flexible circuit board (FPC) or directly bonded to the glass substrate. The signal trace on the glass substrate is connected to the control board via another flexible circuit board, which can also be the display control module (Tcon PCBA) of the control panel.

In summary, the peripheral module lead wire of the present invention integrates the structure disposed on the glass substrate, which not only reduces the cost, but also makes the design of the product thinner and more convenient.

While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

101, 201. . . panel

102, 202. . . Camera module

102a. . . Connector

103, 203, 203a, 203b. . . Flexible circuit board

104, 204. . . Display control panel

106, 206. . . Panel signal line

107. . . Camera signal line

110, 210. . . System control board

110a, 110b. . . Connector

205. . . Panel wire

207, 207a, 207c, 207d. . . Camera wire

207c1, 207c2, 207c3, 207c4‧‧‧ terminals

208, 208a, 208b‧‧‧soft circuit board

209‧‧‧Antenna wire

211‧‧‧Antenna Module

500‧‧‧ glass substrate

501‧‧‧First conductive layer

502‧‧‧First insulation

503‧‧‧Second conductive layer

504‧‧‧Second insulation

FIG. 1 is a schematic diagram of a conventional conventional notebook computer screen.

2 is a schematic diagram of a flat panel display in which an external peripheral module wire is integrated on a glass substrate.

3 is a schematic view showing another embodiment of a flat panel display in which an external peripheral module wire is integrated on a glass substrate.

FIG. 4 is a schematic diagram of a flat panel display in which different external peripheral module wires are integrated on a glass substrate.

Figure 5a is a cross-sectional view of the A-A' of the camera wire of Figure 4.

Figure 5b is a cross-sectional view of the B-B' of the antenna wire of Figure 4.

Figure 6 is a schematic diagram of a flat panel display having a plurality of terminal structures for a peripheral module lead.

201. . . panel

202. . . Camera module

203. . . Flexible circuit board

204. . . Display control panel

205. . . Panel wire

206. . . Panel signal line

207. . . Camera wire

208. . . Flexible circuit board

210. . . System control board

Claims (15)

A flat panel display comprising: a substrate having a display unit formed on a surface thereof, the display unit comprising a first set of wires formed on the surface of the substrate; a display control module for generating a display control signal and transmitting the display a set of wires transmits the display control signal to the display unit; at least one external peripheral module is configured to generate an external peripheral module signal; and a second set of wires are formed on the surface of the substrate and electrically connected to the external periphery The module, the at least one external peripheral module transmits the external peripheral module signal to the display control module through the second set of wires. The flat panel display of claim 1, further comprising a first flexible circuit board for connecting the second set of wires of the substrate and the external peripheral module. The flat panel display of claim 1, wherein the plug-in peripheral module is directly soldered to the substrate to electrically connect the second set of wires. The flat panel display of claim 1, wherein the plug-in peripheral module can be a camera module, a light sensing module, a temperature sensing module, a microphone, a speaker, or an antenna. The flat-panel display of claim 1, wherein the second set of wires may be a plurality of wires for transmitting the same or different plurality of the external peripherals. The signal of the module. The flat panel display according to claim 1, further comprising a second flexible circuit board for connecting the display unit and the display control module. The flat panel display of claim 6, wherein the second flexible circuit board may be one or more pieces. The flat panel display of claim 6, wherein the first set of wires and the second set of wires are connected to the display unit and the display control module by the same second flexible circuit board. The flat panel display of claim 6, wherein the first set of wires and the second set of wires are respectively connected to the display unit and the display control module by different second flexible circuit boards. The flat panel display of claim 1, wherein the second set of wires can be composed of a conductive layer of more than two layers. The flat panel display of claim 10, wherein at least one insulating layer is sandwiched between the two or more conductive layers. The flat panel display of claim 10, wherein at least one of the two or more conductive layers is a floating metal layer. A flat panel display according to claim 10, wherein the pair At least one of the conductive layers above the layer can be connected to a certain potential. The flat panel display of claim 1, wherein the display control module further comprises a processing circuit of the plug-in peripheral module. The flat panel display according to claim 1, further comprising a plurality of terminal structures connected to the second set of wires, wherein the connection position can be selected according to a position required for the layout of the external peripheral module.