CN102419948B - Flat display device - Google Patents

Abstract

The invention relates to a flat panel display device, which comprises a plurality of display panels and a time schedule controller, wherein the time schedule controller is electrically coupled with each display panel respectively, and the time schedule controller sends at least two priority control signals to each display panel respectively according to image data so as to select at least one of the display panels to display the image data. The flat panel display device provided by the invention selects the corresponding display panel with the most suitable display resolution or the suitable combination of the display panels to display the image data according to the image data read by the time sequence controller, and the circuit is relatively simple.

Description

flat panel display device

technical field

The invention relates to the field of display technology, in particular to a plane display device.

Background technique

With the development of science and technology, flat-panel display devices, such as electrophoretic display devices, are widely used in mobile phones, notebook computers, In various consumer electronic products such as desktop display devices and televisions, they have gradually replaced traditional cathode ray tube display devices and become the mainstream of display devices.

Currently, some electronic products are not satisfied with one display panel for display, and may include two or more display panels according to needs. When an electronic product includes multiple display panels, each display panel needs to be provided with a corresponding timing controller and a related driving circuit, so the circuit of the electronic product is quite complicated, and the corresponding control method is also very complicated.

Contents of the invention

The object of the present invention is to provide a flat display device with multiple display panels, and its circuit structure and control method are relatively simple.

The present invention proposes a flat display device, which includes a plurality of display panels and a timing controller, the timing controller is electrically coupled to each display panel, and the timing controller sends at least two priority control signals respectively according to image data. to each display panel to select at least one of the display panels to display image data.

In a preferred embodiment of the present invention, the above-mentioned image data is suitable for the display resolution of the selected display panel or its combination, so that the selected display panel or its combination with suitable display resolution is used to display the image data.

In a preferred embodiment of the present invention, the display panel includes a master display panel and a slave display panel. And the priority control signal includes a first priority control signal and a second priority control signal. When the image data is suitable for the display resolution of the main display panel, the first priority control signal and the second priority control signal transmitted to the main display panel The priority control signals are logic high level, and the first priority control signal and the second priority control signal transmitted to the slave display panel are both logic low level, so as to select the master display panel instead of the slave display panel to display image data. Alternatively, when the image data is suitable for the display resolution of the slave display panel, both the first priority control signal and the second priority control signal transmitted to the master display panel are logic low, and the first priority control signal transmitted to the slave display panel is at a logic low level. Both the priority control signal and the second priority control signal are at logic high levels to select the secondary display panel instead of the main display panel to display image data. Or, when the image data is suitable for the combined display resolution of the master display panel and the slave display panel, both the first priority control signal and the second priority control signal transmitted to the master display panel are logic low level, and are transmitted to the slave display panel. The first priority control signal of the display panel is at a logic low level and the second priority control signal is at a logic high level, so as to select a combination of the master display panel and the slave display panel to display display data.

In a preferred embodiment of the present invention, the image data is suitable for the display resolution of the combination of the selected display panels. The combination of these priority control signals to display image data sequentially.

In a preferred embodiment of the present invention, the flat panel display device further includes an image data decoder, and the timing controller is electrically coupled to the image data decoder to read the image data.

In a preferred embodiment of the present invention, the above-mentioned plurality of display panels are electrophoretic display panels.

The beneficial effect of the present invention is that the flat panel display device of the present invention selects the corresponding display panel with the most suitable display resolution or a combination of suitable display panels to display the image data according to the image data read by the timing controller, so its The circuit is relatively simple, and its control method is also relatively simple.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

FIG. 1 is a schematic diagram of a flat panel display device disclosed in a first embodiment of the present invention.

FIG. 2 is a schematic diagram of a flat panel display device disclosed in a second embodiment of the present invention.

FIG. 3 is a schematic diagram of a flat panel display device disclosed in a third embodiment of the present invention.

FIG. 4 is a schematic diagram of a flat display device disclosed in a fourth embodiment of the present invention.

[Description of main component symbols]

100, 200, 300, 400: Flat panel display devices

110, 210, 310, 410: image data decoder

120, 220, 320, 420: timing controller

130, 230, 330, 430: main display panel

140, 240: from the display panel

341, 441: first slave display panel

342, 442: second slave display panel

Detailed ways

In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation methods, methods, steps, structures, and features of the flat-panel display device proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. And effect, detailed description is as follows.

The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings. Through the description of the specific implementation, one can have a deeper and more specific understanding of the technical means and effects of the present invention to achieve the intended purpose. However, the attached drawings are only for reference and description, and are not used to limit the present invention. .

Please refer to FIG. 1 , which is a schematic diagram of a flat panel display device disclosed in a first embodiment of the present invention. As shown in FIG. 1 , the flat display device 100 includes an image data decoder 110 , a timing controller 120 , a master display panel 130 and a slave display panel 140 . The timing controller 120 is electrically coupled to the image data decoder 110 to read the image data decoded by the image data decoder 110 . In addition, the timing controller 120 is electrically coupled to the master display panel 130 and the slave display panel 140, so as to respectively send at least two priority control signals (for example, two priority control signals) to the master display panel 130 and the slave display panel 140 according to the image data. The signals SE1 and SE2) are sent to each display panel, so as to select the display panel with the most suitable display resolution to display the image data.

Preferably, in this embodiment, the display resolutions of the master display panel 130 and the slave display panel 140 are different from each other. For example, the display resolution of the master display panel 130 may be 800*600, and the display resolution of the slave display panel 140 may be 640*480.

If the image data is suitable for display on a display panel with a display resolution of 800*600, the two priority control signals SE1 and SE2 sent by the timing controller 120 to the main display panel 130 are logic high, and are sent to the slave The two priority control signals SE1 and SE2 of the display panel 140 are logic low level, then the main display panel 130 is selected and the secondary display panel 140 is not selected, thus using the main display panel 130 with a display resolution of 800*600 Display image data.

If the image data is suitable for display on a display panel with a display resolution of 640*480, the two priority control signals SE1 and SE2 sent by the timing controller 120 to the main display panel 130 are logic low, and are sent to the slave The two priority control signals SE1 and SE2 of the display panel 140 are logic high level, then the main display panel 130 is not selected and the slave display panel 140 is selected, so that the slave display panel 140 with a display resolution of 640*480 is used Display image data.

Please refer to FIG. 2 , which is a schematic diagram of a flat panel display device disclosed in a second embodiment of the present invention. As shown in FIG. 2 , the flat display device 200 is similar to the flat display device 100 shown in FIG. 1 , except that the display resolutions of the master display panel 230 and the slave display panel 240 are the same. For example, the display resolution of the master display panel 230 is 700*400, and the display resolution of the slave display panel 240 is also 700*400.

Therefore, for this embodiment, if the image data read by the timing controller 220 from the image data decoder 210 is suitable for display on a display panel with a display resolution of 700*400, the main display panel 230 or the slave display Panels 240 are all likely to be selected. At this time, according to actual needs, the two priority control signals SE1 and SE2 sent by the timing controller 220 to the main display panel 230 are logic high levels, while the two priority control signals SE1 and SE2 sent to the slave display panel 240 are logic high. Both SE2 are logic low, so that the master display panel 230 is selected instead of the slave display panel 240 to display image data. Of course, the timing controller 220 can also send the two priority control signals SE1 and SE2 to the main display panel 230 to be logic low level, and the two priority control signals SE1 and SE2 sent to the slave display panel 240 are both logic level The high level selects the secondary display panel 240 instead of the main display panel 230 to display image data.

In addition, the display resolutions of the master display panel 230 and the slave display panel 240 in this embodiment are the same, so the master display panel 230 and the slave display panel 240 can cooperate to display a picture with a higher display resolution (such as 700*800) . Therefore, if the image data read by the timing controller 220 from the image data decoder 210 is suitable for display on a display panel with a display resolution of 700*800, the timing controller 220 sends two priorities to the main display panel 230 The control signals SE1 and SE2 are at a logic high level, and the priority control signal SE1 sent to the slave display panel 240 is at a logic low level and the priority control signal SE2 is at a logic high level, thereby simultaneously selecting the master display panel 230 and the slave display panel 240 to display image data. In other words, in addition to indicating whether a certain display panel is selected, the master display panel 230 and the slave display panel 240 can be further determined according to the combination of the priority control signals SE1 and SE2 transmitted to the master display panel 230 and the slave display panel 240. Displays the order of image data.

Please refer to FIG. 3 , which is a schematic diagram of a flat panel display device disclosed in a third embodiment of the present invention. As shown in FIG. 3, the flat display device 300 is similar to the flat display device 200 shown in FIG. and a second secondary display panel 342 . In addition, in this embodiment, the display resolutions of the first slave display panel 341 and the second slave display panel 342 are the same as each other, and the display resolutions of the first slave display panel 341 and the second slave display panel 342 are the same as those of the master display panel. The display resolution of 330 is related to each other. For example, the display resolution of the master display panel 330 is 640*480, the display resolution of the first slave display panel 341 is 640*240, and the display resolution of the second slave display panel 342 is also 640*240.

Therefore, in this embodiment, if the image data read by the timing controller 320 from the image data decoder 310 is suitable for display on a display panel with a display resolution of 640*480, the timing controller 320 can select the main display panel 330 to display image data, or select a combination of the first slave display panel 341 and the second slave display panel 342 to display image data.

If the image data read by the timing controller 320 from the image data decoder 310 is suitable for display on a display panel with a display resolution of 640*240, the timing controller 320 can select the first slave display panel 341 or the second slave The display panel 342 is used to display image data.

If the image data read by the timing controller 320 from the image data decoder 310 is suitable for display on a display panel with a display resolution of 640*720, the timing controller 320 can select the master display panel 330 and the first slave display panel 341, or select the combination of the master display panel 330 and the second slave display panel 342 to display image data.

If the image data read by the timing controller 320 from the image data decoder 310 is suitable for display on a display panel with a display resolution of 640*960, the timing controller 320 selects the main display panel 330 and the first slave display panel 341 Combined with the second slave display panel 342 to display image data.

Please refer to FIG. 4 , which is a schematic diagram of a flat panel display device disclosed in a fourth embodiment of the present invention. As shown in FIG. 4, the flat display device 400 is similar to the flat display device 300 shown in FIG. The display resolution of the slave display panel 441 is correlated with the display resolution of the master display panel 430 . For example, the display resolution of the master display panel 430 is 800*600, the display resolution of the first slave display panel 441 is 800*480, and the display resolution of the second slave display panel 442 is 640*480.

Therefore, if the image data read by the timing controller 420 from the image data decoder 410 is suitable for display on the display panel with a display resolution of 800*600, the timing controller 420 selects the main display panel 430 to display the image data.

If the image data read by the timing controller 420 from the image data decoder 410 is suitable for display by the display panel with a display resolution of 800*480, the timing controller 420 selects the first slave display panel 441 to display the image data.

If the image data read by the timing controller 420 from the image data decoder 410 is suitable for display by the display panel with a display resolution of 640*480, the timing controller 420 selects the second slave display panel 442 to display the image data.

If the image data read by the timing controller 420 from the image data decoder 410 is suitable for displaying on a display panel with a display resolution of 800*1080, the timing controller 420 selects the main display panel 430 and the first slave display panel 441. combined to display image data.

To sum up, the flat display device of the present invention selects the corresponding display panel with the most suitable display resolution or a combination of suitable display panels to display the image data according to the image data read by the timing controller, so its circuit is relatively Simple, and its control method is also relatively simple.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but as long as they do not depart from the technical solution of the present invention, the Technical Essence Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (8)

1. a flat-panel display devices, it comprises:

Multiple display panel;

Time schedule controller, is electrically coupled to multiple display panel described in each respectively; And

One image data demoder, is electrically coupled to described time schedule controller;

Wherein, the display resolution of the image data that described time schedule controller goes out according to image data decoders decode, and send at least two priority control signals respectively to display panel multiple described in each, to select at least one in described multiple display panel to show described image data, described image data is suitable for by the display resolution of the combination of the display panel selected or multiple display panel, thus utilize have applicable display resolution by the combination of the display panel selected or the multiple display panels with applicable display resolution to show described image data.

2. flat-panel display devices according to claim 1, is characterized in that: described multiple display panel comprises a main display panel and from display panel.

3. flat-panel display devices according to claim 2, it is characterized in that: described priority control signal comprises a first priority control signal and one second priority control signal, when described image data is suitable for the display resolution of described main display panel, the described first priority control signal and the described second priority control signal that transfer to described main display panel are logic high standard, and be logic low level from the described first priority control signal of display panel and described second priority control signal described in transferring to, to select described main display panel but not described from display panel to show described image data.

4. flat-panel display devices according to claim 2, it is characterized in that: described priority control signal comprises a first priority control signal and one second priority control signal, when described image data is suitable for the described display resolution from display panel, the described first priority control signal and the described second priority control signal that transfer to described main display panel are logic low level, and be logic high standard from the described first priority control signal of display panel and described second priority control signal described in transferring to, with select described from display panel but not described main display panel to show described image data.

5. flat-panel display devices according to claim 2, it is characterized in that: described priority control signal comprises a first priority control signal and one second priority control signal, when described image data is suitable for described main display panel and the described display resolution from display panel combination, the described first priority control signal and the described second priority control signal that transfer to described main display panel are logic low level, and transfer to described from the described first priority control signal of display panel be logic low level and described second priority control signal to be logic high accurate, to select described main display panel and the described combination from display panel to show described display data.

6. flat-panel display devices according to claim 1, is characterized in that: described multiple display panel comprises a main display panel and multiple from display panel.

7. flat-panel display devices according to claim 6, it is characterized in that: described image data is suitable for by the display resolution of the combination of the display panel selected, when described time schedule controller selects the combination of more than one display panel to show described image data, described more than one display panel shows described image data in order according to the combination of the described priority control signal transferred in it.

8. flat-panel display devices according to claim 1, is characterized in that: described multiple display panel is electrophoretic display panel.