CN204945600U - A kind of Projection Display all-in-one - Google Patents
A kind of Projection Display all-in-one Download PDFInfo
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- CN204945600U CN204945600U CN201520622659.0U CN201520622659U CN204945600U CN 204945600 U CN204945600 U CN 204945600U CN 201520622659 U CN201520622659 U CN 201520622659U CN 204945600 U CN204945600 U CN 204945600U
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- 230000003287 optical effect Effects 0.000 claims abstract description 51
- 239000011324 bead Substances 0.000 claims description 9
- 239000011049 pearl Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012053 enzymatic serum creatinine assay Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model is applicable to display field, provides a kind of Projection Display all-in-one, comprises and is connected to input display with pc client and the signal processing module carrying out signal transacting; Be connected with described signal processing module, to input described display and the display screen shown it; Be connected with described signal processing module, to input described display and the projecting optical engine projected on the projection screen; Direct input civil power is connected described signal processing module, described display screen is connected and the power module of powering with described head light engine.The utility model is by being arranged on same body by display screen and projecting optical engine, traditional display screen is made to have projection and Presentation Function concurrently, save cost display screen and projector are provided separately, compact, easy to operate and use, be particularly useful for small conference room.
Description
Technical field
The utility model belongs to display field, particularly relates to a kind of Projection Display all-in-one integrating projecting function and Presentation Function.
Background technology
For satisfied office needs, projector, large-size screen monitors televisor or large-size screen monitors display screen usually can be adopted during meeting to play the committee paper in pc client, to facilitate, conference content and related data are introduced.But, when carrying out mini-session fewer in number, adopting projector, large-size screen monitors televisor or large-size screen monitors display screen to play file in pc client, the serious wasting of resources can be caused and cost is higher.Usually, in order to save cost, small conference room generally all can directly adopt display screen or small size TV to play committee paper, in use, usually need to use two display screens, one is manipulated by meeting speaker, one for carrying out picture expansion, to show committee paper, wiring is complicated, and bandwagon effect is good not as projector.
Utility model content
The object of the utility model embodiment is to provide a kind of Projection Display all-in-one, is intended to solve current mini-session and adopts display screen to show committee paper, the problem that wiring is complicated, effect is undesirable.
The utility model embodiment is achieved in that a kind of Projection Display all-in-one, comprising:
Be connected to input display with pc client and carry out the signal processing module of signal transacting;
Be connected with described signal processing module, to input described display and the display screen shown it;
Be connected with described signal processing module, to input described display and the projecting optical engine projected on the projection screen;
Direct input civil power is that connected described signal processing module, described display screen and described projecting optical engine are connected and the power module of powering.
Preferably, described signal processing module comprises:
The USB interface to input display is connected with pc client by VGA data line;
The DVI interface to input display is connected with pc client by DVI data line.
Preferably, described signal processing module also comprises:
Be connected with described USB interface, described DVI interface and described display screen, to input display by described USB interface or described DVI interface and to send to the first display chip of described display screen;
Be connected with described USB interface, described DVI interface and described projecting optical engine, to input display by described USB interface or described DVI interface and to send to the second display chip of described projecting optical engine.
Preferably, described USB interface and described DVI interface are connected with same pc client or are respectively connected with a pc client.Preferably, described USB interface is respectively connected with a pc client with described DVI interface, and described first display chip is connected with a wherein pc client by described USB interface, and described second display chip is connected with another pc client by described DVI interface.
Preferably, described display screen comprises the first LED drive circuit and is connected with this first LED drive circuit and the LED backlight group controlled by it; Described projecting optical engine comprises the second LED drive circuit and is connected with this second LED drive circuit and the LED projection light source controlled by it; Described power module comprises the first LED constant current power supply unit be electrically connected with described first LED drive circuit and the second LED constant current power supply unit be electrically connected with described second LED drive circuit.
Preferably, power module is two-in-one open-shelf power supply board, the signal-processing board power supply unit that built-in and described first LED drive circuit and the second LED drive circuit are all connected and backlight driving unit.
Preferably, described projecting optical engine also comprises:
Described display is amplified and projects to the projection lens of projection screen;
Display is loaded on light signal that described LED projection light source sends, and sends to described projection lens with projection projection chip on the projection screen.
Preferably, described LED projection light source comprises the LED lamp bead of multiple series connection, and described second LED drive circuit is the flow equalizing circuit be connected with the LED lamp bead of described multiple series connection.
Preferably, described LED projection light source comprises the white led lamps pearl that white led lamps pearl that three power brackets are 3W ~ 10W or five power brackets are 1.8W ~ 6W.
Preferably, described display screen is TFT liquid crystal display, and described projecting optical engine is CF-LCOS series mini light engine.
The Projection Display all-in-one that the utility model embodiment provides is compared to the beneficial effect of prior art: by being arranged on same body by display screen and projecting optical engine, traditional display screen is made to have projection and Presentation Function concurrently, save cost display screen and projector are provided separately, compact, easy to operate and use, be particularly useful for small conference room; Switch by signal processing module the signal source that display screen and projecting optical engine input, show identical or different picture to make display screen and projecting optical engine; By arranging two display chips in order to control display screen and projecting optical engine respectively in signal processing module, display screen can be connected from different pc clients respectively with projecting optical engine and input different signal sources, to show identical or different picture; Should for connecting by the parallel way of the LED projection light source will be made up of multiple lamp pearl in this light engine, design is optimized to the second LED drive circuit be connected with this LED projection light source simultaneously, the electromagnetic interference (EMI) that the parallel way decreasing lamp pearl is brought, and simplify circuit.
Accompanying drawing explanation
Fig. 1 is the basic structure block diagram of the Projection Display all-in-one that the utility model embodiment provides;
Fig. 2 is the concrete structure block diagram of the Projection Display all-in-one that the utility model embodiment provides;
Fig. 3 is the concrete structure block diagram of the Projection Display all-in-one that another embodiment of the utility model provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the basic structure block diagram of the Projection Display all-in-one that the utility model embodiment provides.
Consult Fig. 1, the Projection Display all-in-one 100 that the utility model embodiment provides comprises:
Be connected to input display with pc client 200 and carry out the signal processing module 10 of signal transacting;
Be connected with signal processing module 10, to input described display and the display screen 20 shown it;
Be connected with signal processing module 10, to input display and the projecting optical engine 30 projected on the projection screen;
Be connected and the power module 40 of powering with signal processing module 10, display screen 20 and head light engine 30.
In a particular application, pc client 200 can be desktop computer, notebook computer, panel computer etc.
In a particular application, projection screen can be the metope of the clear display projected picture of energy.
In a particular application, power module 40 connects civil power, and civil power to be converted to voltage be that the direct current of 5V or 12V is powered to signal processing module 10, and direct current civil power being converted to 15V ~ 18V is powered to projecting optical engine 30, the direct current also civil power being converted to 36V ~ 53V is powered to display screen 20.
Fig. 2 is the concrete structure block diagram of the Projection Display all-in-one that the utility model embodiment provides.
Consult Fig. 2, in the Projection Display all-in-one 100 that the utility model embodiment provides, signal processing module 10 comprises USB interface 11, DVI interface 12, first display chip 13 and the second display chip 14;
USB interface 11 is connected to input display with pc client 200 by VGA data line;
DVI interface 12 is connected to input display with pc client 200 by DVI data line;
First display chip 13 is connected with USB interface 11, DVI interface 12 and display screen 20, to input display by USB interface 11 or DVI interface 12 and to send to display screen 20 to show;
Second display chip 14 is connected with USB interface 11, DVI interface 12 and projecting optical engine 30, to input display by USB interface 11 or DVI interface 12 and to send to projecting optical engine 30 to show.
In a particular application, switching software by being arranged on display in the first display chip 13 and the second display chip 14, controlling the picture that inputted by USB interface 11 and DVI interface 12 which screen respectively in display screen 20 and projection screen shows; Display screen 20 and projecting optical engine 300 can be subject to the control of the first display chip 13 and the second display chip 14, input different pictures and show, also can show identical picture; During display same frame, the control of display screen 20 and projecting optical engine 30 first display chip 13 and the second display chip 14, identical display is inputted by USB interface 11 or DVI interface 12, also only display be can input by display screen 20 or projecting optical engine 30 by USB interface 11 or DVI interface 12, projecting optical engine 30 or display screen 20 are then copied to.
In a particular application, also the first display chip 13 and the second display chip 14 can be replaced by the video card of pc client, the display of display screen 20 or projecting optical engine 30 is copied to projecting optical engine 30 or display screen 20, and the display controlling to input through USB interface 11 and DVI interface 12 specifically still projects to projection screen by projecting optical engine 30 at display screen 20.
In a preferred embodiment, USB interface 11 and DVI interface 12 are connected with same pc client 200 or are respectively connected with a pc client 200; First display chip 13 is connected with a wherein pc client 200 by USB interface 11 or DVI interface 12, to input display and to send to described display screen 20, second display chip 14 is given tacit consent to and is connected with another pc client 200 by DVI interface 12 or USB interface 11, to input display and to send to projecting optical engine 300.Fig. 3 is the concrete structure block diagram of the Projection Display all-in-one that another embodiment of the utility model provides.
Consult Fig. 3, in the present embodiment, display screen 20 is set to the display input mode of projecting optical engine 30: the first display chip 13 of display screen 20 is given tacit consent to and is connected with a wherein pc client 200 by USB interface 11; Second display chip acquiescence of projecting optical engine 30 is connected with another pc client 200 by DVI interface 12.
In a particular application, display screen 20 also can input display by DVI interface 12, and corresponding projecting optical engine 30 inputs display by USB interface.
In a preferred embodiment, the first display chip 13 and the second display chip 14 all select RTD2271 type display chip.
In a preferred embodiment, display screen 20 selects TFT (ThinFilmTransistor, thin film transistor (TFT)) liquid crystal display.
In prior art, display screen mainly comprises LED drive circuit and LED light source, and projecting optical engine mainly comprises LED drive circuit, LED light source, projection chip and projection lens.Because display screen and projecting optical engine all comprise LED drive circuit and LED light source, therefore to be optimized design to power module 40 to make it have two and overlap independently LED constant current electric power system, to control separately the LED light source of display screen and projecting optical engine.Concrete scheme is as follows:
As shown in Figure 2, display screen 20 comprises the first LED drive circuit 21 and is connected with this first LED drive circuit 21 and the LED backlight group 22 controlled by it; Projecting optical engine 30 comprises the second LED drive circuit 31, be connected with the second LED drive circuit 31 and the LED projection light source 32 controlled by it, described display amplified and the projection lens 33 projecting to projection screen and input described LED projection light source 32 light signal to send the projection chip 34 of display to described projection lens 33; Power module 40 comprises the first LED constant current power supply unit 41 be electrically connected with described first LED drive circuit 21, and the second LED constant current power supply unit 42 be electrically connected with described second LED drive circuit 31; The LED lamp bead comprising multiple series connection in LED projection light source 32, the second LED drive circuit 31 is the flow equalizing circuit be connected with the LED lamp bead of described multiple series connection.
In this programme, the CF-LCOS series mini light engine that projecting optical engine 30 selects Taiwan HIMAX company (Himax Technologies Inc) to produce, specifically selects CFLCOS-HX6271 type micro-optical engine in this programme.
In concrete design, because CF-LCOS series mini light engine cost is higher, in order to cost squeeze, then self-developing designs the second LED drive circuit 31 to replace original LED drive circuit in CF-LCOS series mini light engine, the OB3370 type driving chip that concrete scheme is the RT8451 type driving of selecting RICHTEK (Liqi Sci-Techn Co., Ltd.) and producing or OB (Ang Bao Microtronics A/S).
In actual applications, due to LED projection light source original in CF-LCOS series mini light engine to be three anodes be LED lamp bead in parallel, be not that the mode synchronously opened or closed works, cause the electromagnetic interference (EMI) on the second LED constant current power supply unit 42 very large, and these undesired signals directly pass through the heat pipe of heating radiator to external radiation, have a strong impact on the normal work of other circuit.In order to address these problems, then change the connected mode of the LED lamp bead of three in LED projection light source 32 into series connection, to solve the problem of electromagnetic interference (EMI).
In a particular application, the power that three LED lamp bead in LED projection light source adopt U.S. CREE (section is sharp) company to produce is the sharp white lamps pearl of section of 3W ~ 10W, also the power that Taiwan Jingyuan Photoelectricity Co., Ltd can be selected to produce is the wafer lamp pearl of 3W ~ 10W, in actual use, the lamp pearl of the 3W ~ 10W that also three can be connected, replace with the lamp pearl that five power are 1.8W ~ 6W, or suitably increase/subtract the lamp pearl quantity of series connection according to actual needs, and the power of adaptability change lamp pearl, when selecting the projecting optical engine of other models, quantity and the watt level of increasing that also can be suitable according to actual needs/subtract lamp pearl.
In a preferred embodiment, power module 40 to be electrically connected the direct current civil power to be converted to 12V by power supply adaptor with city, and is powered to LED backlight group 22 and LED projection light source 32 respectively by the first constant current-supplying unit 41 and the second constant current-supplying unit 42.
In a preferred embodiment, projecting optical engine 30 carries the battery be electrically connected with the second LED drive circuit 31, and LED projection light source 32 directly can pass through powered battery, and described battery is the rechargeable battery of chargeable lithium cell or other types.
In a preferred embodiment, described power module 40 is two-in-one open-shelf (AC-DCopenfarmpowersupply) power supply board, the signal-processing board power supply unit that built-in and described first LED drive circuit and the second LED drive circuit are all connected and backlight driving unit.
In a preferred embodiment, power module 40 directly inputs civil power, and direct current civil power being converted to 15V ~ 18V is powered to the LED projection light source 32 of projecting optical engine 30, the direct current also civil power being converted to 36V ~ 53V is powered to the LED backlight group 22 of display screen 20
In a particular application, the elevation of the Projection Display all-in-one that the utility model embodiment provides shields consistent with common display, and difference is, the projection lens of projecting optical engine is given prominence to or the Embedded back side being arranged on display screen; The integrated inside being arranged on Projection Display all-in-one of other each devices of display screen and projecting optical engine inside.In actual production, in order to meeting the market requirement or actual needs, projection lens also can be given prominence to or the Embedded side being arranged on display screen.
The Projection Display all-in-one that the utility model embodiment provides is by being arranged on same body by display screen and projecting optical engine, traditional display screen is made to have projection and Presentation Function concurrently, save cost display screen and projector are provided separately, compact, easy to operate and use, be particularly useful for small conference room; Switch by signal processing module the signal source that display screen and projecting optical engine input, show identical or different picture to make display screen and projecting optical engine; By arranging two display chips in order to control display screen and projecting optical engine respectively in signal processing module, display screen can be connected from different pc clients respectively with projecting optical engine and input different signal sources, to show identical or different picture; By selecting the micro projection optical engine of CF-LCOS series, and should be series connection by the parallel way of the LED projection light source be made up of three to five lamp pearls in this light engine, design is optimized to the second LED drive circuit be connected with these three to five lamp pearls simultaneously, the electromagnetic interference (EMI) that the parallel way decreasing lamp pearl is brought, and simplify circuit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Projection Display all-in-one, is characterized in that, described Projection Display all-in-one comprises:
Be connected to input display with pc client and carry out the signal processing module of signal transacting;
Be connected with described signal processing module, to input described display and the display screen shown it;
Be connected with described signal processing module, to input described display and the projecting optical engine projected on the projection screen;
Direct input civil power is the power module that connected described signal processing module, described display screen and described projecting optical engine are powered.
2. Projection Display all-in-one as claimed in claim 1, it is characterized in that, described signal processing module comprises:
The USB interface to input display is connected with pc client by VGA data line;
The DVI interface to input display is connected with pc client by DVI data line.
3. Projection Display all-in-one as claimed in claim 2, it is characterized in that, described signal processing module also comprises:
Be connected with described USB interface, described DVI interface and described display screen, to input display by described USB interface or described DVI interface and to send to the first display chip of described display screen;
Be connected with described USB interface, described DVI interface and described projecting optical engine, to input display by described USB interface or described DVI interface and to send to the second display chip of described projecting optical engine.
4. Projection Display all-in-one as claimed in claim 3, it is characterized in that, described USB interface and described DVI interface are connected with same pc client or are respectively connected with a pc client.
5. Projection Display all-in-one as claimed in claim 3, it is characterized in that, described USB interface is respectively connected with a pc client with described DVI interface, described first display chip is connected with a wherein pc client by described USB interface, and described second display chip is connected with another pc client by described DVI interface.
6. the Projection Display all-in-one as described in any one of Claims 1 to 5, is characterized in that, described display screen comprises the first LED drive circuit and is connected with this first LED drive circuit and the LED backlight group controlled by it;
Described projecting optical engine comprises the second LED drive circuit and is connected with this second LED drive circuit and the LED projection light source controlled by it;
Described power module comprises the first LED constant current power supply unit be electrically connected with described first LED drive circuit and the second LED constant current power supply unit be electrically connected with described second LED drive circuit.
7. Projection Display all-in-one as claimed in claim 6, it is characterized in that, described power module is two-in-one open-shelf power supply board, the signal-processing board power supply unit that built-in and described first LED drive circuit and the second LED drive circuit are all connected and backlight driving unit.
8. Projection Display all-in-one as claimed in claim 7, it is characterized in that, described projecting optical engine also comprises:
Described display is amplified and projects to the projection lens of projection screen;
Display is loaded on light signal that described LED projection light source sends, and sends to described projection lens with projection projection chip on the projection screen.
9. Projection Display all-in-one as claimed in claim 8, it is characterized in that, described LED projection light source comprises the LED lamp bead of multiple series connection, and described second LED drive circuit is the flow equalizing circuit be connected with the LED lamp bead of described multiple series connection.
10. Projection Display all-in-one as claimed in claim 9, is characterized in that, described LED projection light source comprises the white led lamps pearl that white led lamps pearl that three power brackets are 3W ~ 10W or five power brackets are 1.8W ~ 6W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622659.0U CN204945600U (en) | 2015-08-18 | 2015-08-18 | A kind of Projection Display all-in-one |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622659.0U CN204945600U (en) | 2015-08-18 | 2015-08-18 | A kind of Projection Display all-in-one |
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| CN204945600U true CN204945600U (en) | 2016-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223757A (en) * | 2015-08-18 | 2016-01-06 | 惠科电子（深圳）有限公司 | A kind of Projection Display all-in-one |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223757A (en) * | 2015-08-18 | 2016-01-06 | 惠科电子（深圳）有限公司 | A kind of Projection Display all-in-one |
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Address after: 518000 Guangdong city of Shenzhen province Baoan District Shiyan street water Tamura Private Industrial Park Industrial Park, building 1 HKC 2, 3 Patentee after: HKC Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Shiyan street water Tamura Private Industrial Park Industrial Park, building 1 HKC 2, 3 Patentee before: HKC ELECTRONIC (SHENZHEN) Co.,Ltd. |