CN215576067U - Projection optical machine and projection equipment - Google Patents
Projection optical machine and projection equipment Download PDFInfo
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- CN215576067U CN215576067U CN202121317663.8U CN202121317663U CN215576067U CN 215576067 U CN215576067 U CN 215576067U CN 202121317663 U CN202121317663 U CN 202121317663U CN 215576067 U CN215576067 U CN 215576067U
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Abstract
The utility model provides a projection light machine and projection equipment. The projection optical machine comprises a plurality of liquid crystal panels; each liquid crystal panel comprises a data driving chip and a plurality of binding ends for displaying signals with different colors; the data driving chip of each liquid crystal panel is in binding connection with the binding end of one color display signal; the colors of display signals of binding ends bound and connected by data driving chips of different liquid crystal panels are different. This projection ray apparatus has realized the split of different colour signals at liquid crystal display panel end in the video signal that shows, makes mainboard integrated circuit board end need not to carry out video signal split again and processing such as transcoding decoding, greatly reduced this projection ray apparatus's purchase and use cost.
Description
Technical Field
The utility model belongs to the technical field of display, and particularly relates to a projection optical machine and projection equipment.
Background
At present, a 3LCD (i.e. 3 liquid crystal panels) projector implements color picture projection by the following schemes: three LCD panels all use same section traditional LCD screen, the projecting apparatus during operation, at first at mainboard integrated circuit board terminal to contain the video signal split of colored RGB (red, green, blue) signal for R (red), G (green), B (blue) signal, then with R (red), G (green), B (blue) signal carry out the transcoding at mainboard integrated circuit board terminal and decode the processing, at last with transcoding decoding the R (red) after processing, G (green), B (blue) signal conveys a LCD panel respectively to realize the color image projection of projecting apparatus.
However, the technology of splitting video signals and transcoding and decoding at the board card end of the main board is monopolized abroad, and the purchase and use costs are relatively high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a projection optical machine and projection equipment aiming at the problem that the cost for splitting, transcoding and decoding a video signal at the end of a main board card is high. This projection ray apparatus has realized the split of different colour signals at liquid crystal display panel end in the video signal that shows, makes mainboard integrated circuit board end need not to carry out video signal split again and processing such as transcoding decoding, greatly reduced this projection ray apparatus's purchase and use cost.
The utility model provides a projection optical machine, comprising a plurality of liquid crystal panels;
each liquid crystal panel comprises a data driving chip and a plurality of binding ends for displaying signals with different colors;
the data driving chip of each liquid crystal panel is in binding connection with a binding end of one color display signal;
and the colors of display signals of binding ends bound and connected with the data driving chips of different liquid crystal panels are different.
Optionally, each of the liquid crystal panels includes a plurality of pixels and a plurality of data lines; the plurality of pixels are arranged in an array;
in the array, one data line is connected with at least one column of pixels;
a plurality of binding ends of one color display signal bound and connected with the data driving chip in the liquid crystal panel are provided;
the data lines are connected with the binding ends of the color display signals bound and connected with the data driving chip in the liquid crystal panel in a one-to-one correspondence mode.
Optionally, the liquid crystal panel includes a first liquid crystal panel, a second liquid crystal panel and a third liquid crystal panel;
the first liquid crystal panel comprises binding ends of red, green and blue display signals, and the data driving chip of the first liquid crystal panel is in binding connection with the binding ends of the red display signals;
the second liquid crystal panel comprises binding ends for red, green and blue display signals, and the data driving chip of the second liquid crystal panel is in binding connection with the binding ends for the green display signals;
the third liquid crystal panel comprises binding ends of red, green and blue display signals, and the data driving chip of the third liquid crystal panel is in binding connection with the binding ends of the blue display signals.
Optionally, the pixel comprises one sub-pixel;
alternatively, the pixel comprises three sub-pixels; the three sub-pixels are arranged along the row direction of the pixel array;
in the pixel array, the data lines are correspondingly connected with the sub-pixels in multiple columns one by one.
Optionally, the pixel comprises a first sub-pixel, a second sub-pixel and a third sub-pixel; the first sub-pixel, the second sub-pixel and the third sub-pixel are sequentially arranged along the row direction of the pixel array;
in the pixel array, the first sub-pixel, the second sub-pixel and the third sub-pixel are respectively arranged along the column direction of the pixel array;
in the first liquid crystal panel, the data lines are correspondingly connected with the first sub-pixels in multiple rows one by one;
in the second liquid crystal panel, the plurality of data lines are correspondingly connected with the plurality of columns of second sub-pixels one by one;
in the third liquid crystal panel, the plurality of data lines are connected with the plurality of columns of the third sub-pixels in a one-to-one correspondence manner.
Optionally, the device further comprises a main board, a plurality of flexible circuit boards and a plurality of peripheral circuit boards; one liquid crystal panel is correspondingly connected with one flexible circuit board and one peripheral circuit board;
the flexible circuit board is bent from the display side of the liquid crystal panel to the back side of the liquid crystal panel; the peripheral circuit board is positioned at the back side of the liquid crystal panel; the data driving chip is arranged on the peripheral circuit board;
binding ends of a plurality of display signals with different colors of the liquid crystal panel are bound and connected with an interface end of the flexible circuit board; the other interface end of the flexible circuit board is bound and connected with the output interface end of the data driving chip on the peripheral circuit board;
and the input interface end of the data driving chip on the peripheral circuit board is bound and connected with the mainboard.
Optionally, the display device further includes a power distributor, connected between the main board and the peripheral circuit board, and configured to distribute the video signal output by the main board to each of the liquid crystal panels, so as to ensure that the signals received by each of the liquid crystal panels are the same video signal output by the main board.
Optionally, the display device further comprises a plurality of light sources, corresponding to the plurality of liquid crystal panels one to one, and located at the back side of the liquid crystal panels; the display backlight is used for providing display backlight for the liquid crystal panel;
different light sources emit light of different colors;
the color of light emitted by the light source is the same as the color of a display signal of a binding end, which is bound and connected by the data driving chip and corresponds to the liquid crystal panel.
Optionally, the liquid crystal panel comprises a first transparent substrate, liquid crystal and a second transparent substrate, and the first transparent substrate and the second transparent substrate form a cell gap in a box-to-box manner;
the liquid crystal is filled in the cell gap;
electrodes are arranged in the first transparent substrate or the first transparent substrate and the second transparent substrate, and electric fields generated by electrifying the electrodes can deflect the liquid crystal, so that the transmission amount of light emitted by the light source is controlled.
The utility model also provides projection equipment comprising the projection optical machine.
The utility model has the beneficial effects that: the color of the display signal of the binding end bound and connected with the data driving chip of different liquid crystal panels is different, and the color of the display signal transmitted by the binding end on each liquid crystal panel is different; different liquid crystal panels are different in binding end which is bound and connected with the data driving chip, so that one liquid crystal panel only receives a display signal of one color through the binding end; therefore, different liquid crystal panels can display signals with different colors; and then realized the split of different colour signals in the video signal that shows at liquid crystal display panel end, made mainboard integrated circuit board end need not to carry on video signal split again and processing such as transcoding decoding, greatly reduced this projection ray apparatus's purchase and use cost.
The projection equipment provided by the utility model reduces the technical cost of the projection equipment by adopting the projection optical machine.
Drawings
FIG. 1 is a schematic diagram of a light engine according to an embodiment of the present invention;
FIG. 2 is a top view of a liquid crystal panel bonding area in a projection light engine according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an arrangement and connection of pixels in an LCD panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another arrangement and connection of pixels in an LCD panel according to an embodiment of the utility model;
FIGS. 5a-5c are schematic diagrams illustrating further arrangements and connections of pixels in an LCD panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the corresponding arrangement of the light source and the liquid crystal panel in the embodiment of the utility model;
fig. 7 is a schematic cross-sectional view of a structure of a liquid crystal panel in an embodiment of the utility model.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, a projection light engine and a projection apparatus according to the present invention are described in further detail below with reference to the accompanying drawings and the detailed description.
In view of the above problem that the cost for splitting, transcoding and decoding video signals at the board card end of the main board is high, an embodiment of the present invention provides a projection optical machine, as shown in fig. 1 and 2, including a plurality of liquid crystal panels 1; each liquid crystal panel 1 comprises a data driving chip 2 and a plurality of binding terminals 3 for displaying signals with different colors; the data driving chip 2 of each liquid crystal panel 1 is connected with the binding end 3 of one color display signal in a binding way; the colors of the display signals of the binding terminals 3 bound and connected with the data driving chips 2 of different liquid crystal panels 1 are different.
The colors of the display signals of the binding ends 3 bound and connected with the data driving chips 2 of different liquid crystal panels 1 are different, and the colors of the display signals transmitted by the binding ends 3 on each liquid crystal panel 1 are different; different liquid crystal panels 1 are different through binding ends 3 which are bound and connected with data driving chips 2, so that one liquid crystal panel 1 only receives display signals (namely data signals) of one color through the binding ends 3; thereby realizing that different liquid crystal panels 1 display different color display signals; and then realized the split of different color signals in the color video signal at liquid crystal display panel 1 end, made mainboard integrated circuit board end need not to carry on video signal split again and processing such as transcoding decoding, greatly reduced this projection ray apparatus's purchase and use cost. The different liquid crystal panels 1 display the display signals of different colors, each liquid crystal panel 1 can split a signal of one color in the color video signals, and the gray scale adjustment and display of the liquid crystal panel 1 are realized. The color video picture display of the projection optical machine is realized after the different color display signals displayed by the different liquid crystal panels 1 are subsequently combined.
Alternatively, in the present embodiment, as shown in fig. 3, each liquid crystal panel 1 includes a plurality of pixels 101 and a plurality of data lines 102; a plurality of pixels 101 are arranged in an array; in the array, one data line 102 is connected with at least one row of pixels 101; a plurality of binding terminals 3 of one color display signal bound and connected with the data driving chip in the liquid crystal panel 1 are provided; the data lines 102 are connected to the binding terminals 3 of the color display signals bound to the data driving chips in the liquid crystal panel 1 in a one-to-one correspondence.
In different driving modes of the liquid crystal panel 1, one data line 102 may be connected to at least one column of pixels 101, and the load on one data line 102 is within the allowable value range of the load no matter whether one data line 102 is connected to several columns of pixels 101. For example, in the liquid crystal panel 1, in the single-gate driving mode, the double-gate driving mode, the single-side driving mode, and the double-side driving mode, the number of columns of the pixels 101 connected to one data line 102 is different, and details are not repeated.
Alternatively, in the present embodiment, as shown in fig. 1, the liquid crystal panel 1 includes a first liquid crystal panel 11, a second liquid crystal panel 12, and a third liquid crystal panel 13; the first liquid crystal panel 11 comprises binding ends for red, green and blue display signals, and the data driving chip 2 of the first liquid crystal panel 11 is bound and connected with the binding end 31 for the red display signal; the second liquid crystal panel 12 includes binding terminals for red, green and blue display signals, and the data driving chip 2 of the second liquid crystal panel 12 is bound and connected with the binding terminal 32 for the green display signal; the third liquid crystal panel 13 includes binding terminals for red, green and blue display signals, and the data driving chip 2 of the third liquid crystal panel 13 is bound and connected with the binding terminal 33 for the blue display signal.
In the first liquid crystal panel 11, only the binding terminal 31 of the red display signal is bound and connected with the data driving chip 2; the binding ends of the green and blue display signals are suspended, i.e. not bound to the data driving chip 2. In the second liquid crystal panel 12, only the binding end 32 of the green display signal is bound and connected with the data driving chip 2; the binding ends of the red and blue display signals are suspended, i.e. not bound with the data driving chip 2. In the third liquid crystal panel 13, only the binding terminal 33 of the blue display signal is bound and connected with the data driving chip 2 therein; the binding ends of the green and red display signals are suspended, i.e. not bound to the data driving chip 2.
Alternatively, in this embodiment, as shown in fig. 3, the pixel 101 includes one sub-pixel 100; in the pixel array, a plurality of data lines 102 are connected with a plurality of columns of sub-pixels 100 in a one-to-one correspondence.
Alternatively, as shown in fig. 4, the pixel 101 includes three sub-pixels 100; the three sub-pixels 100 are arranged in a row direction X of the pixel array; in the pixel array, a plurality of data lines 102 are connected with a plurality of columns of sub-pixels 100 in a one-to-one correspondence. This enables the liquid crystal panel 1 to achieve higher resolution.
Alternatively, as shown in fig. 5a-5c, the pixel 101 comprises a first sub-pixel 103, a second sub-pixel 104 and a third sub-pixel 105; the first sub-pixel 103, the second sub-pixel 104 and the third sub-pixel 105 are sequentially arranged along the row direction X of the pixel array; in the pixel array, a first sub-pixel 103, a second sub-pixel 104 and a third sub-pixel 105 are respectively arranged along the column direction Y of the pixel array; in the first liquid crystal panel 11, a plurality of data lines 102 are connected with a plurality of columns of first sub-pixels 103 in a one-to-one correspondence manner; in the second liquid crystal panel 12, a plurality of data lines 102 are connected to a plurality of columns of second sub-pixels 104 in a one-to-one correspondence; in the third liquid crystal panel 13, a plurality of data lines 102 are connected to a plurality of columns of third sub-pixels 105 in a one-to-one correspondence. That is, the second sub-pixel 104 and the third sub-pixel 105 in the first liquid crystal panel 11 are not lit; the first sub-pixel 103 and the third sub-pixel 105 in the second liquid crystal panel 12 are not lit; the first sub-pixel 103 and the second sub-pixel 104 in the third liquid crystal panel 13 are not lit.
The liquid crystal panel 1 in fig. 3, 4, and 5a-5c can be designed in a customized manner, the first liquid crystal panel 11, the second liquid crystal panel 12, and the third liquid crystal panel 13 can be formed by simultaneously preparing a whole set of mask plates, and the mask plate cost does not need to be increased in the preparation process, thereby greatly reducing the preparation cost of the projection optical machine.
Optionally, as shown in fig. 1, the projection optical engine further includes a main board 4, a plurality of flexible circuit boards (not shown in the figure), and a plurality of peripheral circuit boards (not shown in the figure); a liquid crystal panel 1 is correspondingly connected with a flexible circuit board and a peripheral circuit board; the flexible circuit board is bent from the display side of the liquid crystal panel 1 to the back side thereof; the peripheral circuit board is positioned at the back side of the liquid crystal panel 1; the data driving chip 2 is arranged on the peripheral circuit board; binding ends 3 of a plurality of display signals with different colors of the liquid crystal panel 1 are bound and connected with an interface end of the flexible circuit board; the other interface end of the flexible circuit board is bound and connected with the output interface end of the data driving chip 2 on the peripheral circuit board; the input interface end of the data driving chip 2 on the peripheral circuit board is bound and connected with the mainboard 4.
Alternatively, as shown in fig. 2, the projection optical machine may not be provided with a plurality of peripheral circuit boards. The data driving chip 2 and the binding ends 3 of the plurality of display signals with different colors are all arranged in the binding region of the liquid crystal panel 1, and the output interface end of the data driving chip 2 is directly bound and connected with the binding end 3 of one of the display signals with one color. The input interface end of the data driving chip 2 is bound and connected with the main board through a flexible circuit board (not shown in the figure).
Optionally, the projection optical machine further includes a power distributor 6, connected between the main board 4 and the peripheral circuit board, for distributing the video signal output by the main board 4 to each liquid crystal panel 1, so as to ensure that the signals received by each liquid crystal panel 1 are the same video signal output by the main board 4. The power divider 6 can divide one video signal output by the main board 4 into multiple paths which are identical to each other, so as to respectively provide the same video signal to each liquid crystal panel 1.
Alternatively, if the projector optical machine is not provided with a plurality of peripheral circuit boards, the power divider 6 may be connected between the main board 4 and the flexible circuit board.
Optionally, as shown in fig. 6, the projection light engine further includes a plurality of light sources 5, corresponding to the plurality of liquid crystal panels 1 one to one, and located at the back side of the liquid crystal panel 1; for providing a display backlight for the liquid crystal panel 1; different light sources 5 emit light of different colors; the color of light emitted by the light source 5 is the same as the color of the display signal of the binding end bound and connected by the data driving chip of the corresponding liquid crystal panel 1.
Alternatively, as shown in fig. 7, the liquid crystal panel 1 includes a first transparent substrate 106, a liquid crystal 107, and a second transparent substrate 108, the first transparent substrate 106 and the second transparent substrate 108 forming a cell gap with respect to the box; liquid crystal 107 is filled in the cell gap; electrodes are disposed on the first transparent substrate 106 or the first transparent substrate 106 and the second transparent substrate 108, and an electric field generated by the electrodes when the electrodes are electrified can deflect the liquid crystal 107, thereby controlling the light transmittance of the light source. That is, the liquid crystal panels 1 are black and white screens, and the opening and closing of the sub-pixels can only control the amount of light passing through the liquid crystal panels 1, so as to control the transmission amount of light emitted by the corresponding light source 5, and further realize the brightness or gray scale control of the liquid crystal panels 1 on one color signal displayed by the liquid crystal panels.
When the electrodes are disposed on the first transparent substrate 106, the liquid crystal panel may be an ADS (Advanced Super Dimension Switch) type liquid crystal panel or an IPS (In-Plane Switching) type liquid crystal panel. When the electrodes are disposed on the first and second transparent substrates 106 and 108, respectively, the liquid crystal panel may be a TN (Twisted Nematic) type liquid crystal panel. The specific implementation manner is conventional technology, and is not described herein again.
In the projection optical machine provided in this embodiment, the colors of the display signals of the binding ends bound and connected by the data driving chips of different liquid crystal panels are different, and the colors of the display signals transmitted by the binding ends on each liquid crystal panel are different; different liquid crystal panels are different in binding end which is bound and connected with the data driving chip, so that one liquid crystal panel only receives a display signal of one color through the binding end; therefore, different liquid crystal panels can display signals with different colors; and then realized the split of different colour signals in the video signal that shows at liquid crystal display panel end, made mainboard integrated circuit board end need not to carry on video signal split again and processing such as transcoding decoding, greatly reduced this projection ray apparatus's purchase and use cost.
The embodiment of the utility model also provides projection equipment which comprises the projection optical machine in the embodiment.
By adopting the projection light machine in the embodiment, the technical cost of the projection equipment is reduced.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.
Claims (10)
1. A projection optical machine comprises a plurality of liquid crystal panels;
each liquid crystal panel comprises a data driving chip and a plurality of binding ends for displaying signals with different colors;
the liquid crystal display panel is characterized in that the data driving chip of each liquid crystal panel is connected with a binding end of one color display signal in a binding manner;
and the colors of display signals of binding ends bound and connected with the data driving chips of different liquid crystal panels are different.
2. The light engine of claim 1, wherein each of the liquid crystal panels comprises a plurality of pixels and a plurality of data lines; the plurality of pixels are arranged in an array;
in the array, one data line is connected with at least one column of pixels;
a plurality of binding ends of one color display signal bound and connected with the data driving chip in the liquid crystal panel are provided;
the data lines are connected with the binding ends of the color display signals bound and connected with the data driving chip in the liquid crystal panel in a one-to-one correspondence mode.
3. The light-projector of claim 2, wherein the liquid crystal panel comprises a first liquid crystal panel, a second liquid crystal panel, and a third liquid crystal panel;
the first liquid crystal panel comprises binding ends of red, green and blue display signals, and the data driving chip of the first liquid crystal panel is in binding connection with the binding ends of the red display signals;
the second liquid crystal panel comprises binding ends for red, green and blue display signals, and the data driving chip of the second liquid crystal panel is in binding connection with the binding ends for the green display signals;
the third liquid crystal panel comprises binding ends of red, green and blue display signals, and the data driving chip of the third liquid crystal panel is in binding connection with the binding ends of the blue display signals.
4. The light-engine of claim 3, wherein the pixel comprises a sub-pixel;
alternatively, the pixel comprises three sub-pixels; the three sub-pixels are arranged along the row direction of the pixel array;
in the pixel array, the data lines are correspondingly connected with the sub-pixels in multiple columns one by one.
5. The light-engine of claim 3, wherein the pixel comprises a first sub-pixel, a second sub-pixel, and a third sub-pixel; the first sub-pixel, the second sub-pixel and the third sub-pixel are sequentially arranged along the row direction of the pixel array;
in the pixel array, the first sub-pixel, the second sub-pixel and the third sub-pixel are respectively arranged along the column direction of the pixel array;
in the first liquid crystal panel, the data lines are correspondingly connected with the first sub-pixels in multiple rows one by one;
in the second liquid crystal panel, the plurality of data lines are correspondingly connected with the plurality of columns of second sub-pixels one by one;
in the third liquid crystal panel, the plurality of data lines are connected with the plurality of columns of the third sub-pixels in a one-to-one correspondence manner.
6. The light engine of any of claims 1-5, further comprising a motherboard, a plurality of flexible circuit boards, and a plurality of peripheral circuit boards; one liquid crystal panel is correspondingly connected with one flexible circuit board and one peripheral circuit board;
the flexible circuit board is bent from the display side of the liquid crystal panel to the back side of the liquid crystal panel; the peripheral circuit board is positioned at the back side of the liquid crystal panel; the data driving chip is arranged on the peripheral circuit board;
binding ends of a plurality of display signals with different colors of the liquid crystal panel are bound and connected with an interface end of the flexible circuit board; the other interface end of the flexible circuit board is bound and connected with the output interface end of the data driving chip on the peripheral circuit board;
and the input interface end of the data driving chip on the peripheral circuit board is bound and connected with the mainboard.
7. The optical projection engine of claim 6, further comprising a power distributor, connected between the main board and the peripheral circuit board, for distributing the video signal outputted from the main board to each of the liquid crystal panels, so as to ensure that the signals received by each of the liquid crystal panels are the same video signal outputted from the main board.
8. The light projector as claimed in claim 7, further comprising a plurality of light sources corresponding to the plurality of liquid crystal panels one to one and located at the back side of the liquid crystal panels; the display backlight is used for providing display backlight for the liquid crystal panel;
different light sources emit light of different colors;
the color of light emitted by the light source is the same as the color of a display signal of a binding end, which is bound and connected by the data driving chip and corresponds to the liquid crystal panel.
9. The light-projector according to claim 8, wherein the liquid crystal panel comprises a first transparent substrate, a liquid crystal and a second transparent substrate, the first transparent substrate and the second transparent substrate forming a cell gap with respect to the box;
the liquid crystal is filled in the cell gap;
electrodes are arranged in the first transparent substrate or the first transparent substrate and the second transparent substrate, and electric fields generated by electrifying the electrodes can deflect the liquid crystal, so that the transmission amount of light emitted by the light source is controlled.
10. A projection device comprising the light engine of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317663.8U CN215576067U (en) | 2021-06-11 | 2021-06-11 | Projection optical machine and projection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317663.8U CN215576067U (en) | 2021-06-11 | 2021-06-11 | Projection optical machine and projection equipment |
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| Publication Number | Publication Date |
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| CN215576067U true CN215576067U (en) | 2022-01-18 |
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| CN202121317663.8U Active CN215576067U (en) | 2021-06-11 | 2021-06-11 | Projection optical machine and projection equipment |
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| CN (1) | CN215576067U (en) |
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- 2021-06-11 CN CN202121317663.8U patent/CN215576067U/en active Active
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