JPH0531621Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to a liquid crystal projector device that enlarges and projects image information displayed on a liquid crystal display pack onto a screen.

[Background of the idea]

Conventionally, in small electronic devices such as small electronic game machines that display image information such as games using liquid crystal display devices, only one or two people can display image information such as games because the display area is small. There was an inconvenience that many people could not watch and enjoy games etc. at the same time. Furthermore, there has never been a projector device that can display a wide variety of information such as game content and television information on a large screen with simple operations.

[Purpose of invention]

This idea was created in consideration of the above circumstances, and allows you to easily obtain an impressive large screen, allowing many people to enjoy games etc. while watching the large screen, and it is easy to operate. An object of the present invention is to provide a liquid crystal projector device that can easily project many different types of image information such as game content and television information on a large screen.

[Key points of the idea]

In order to achieve the above object, this invention is a liquid crystal projector that is equipped with a light source and a projection means, and projects an image on a liquid crystal display panel, and includes a liquid crystal display panel and an integrated circuit that drives the liquid crystal display panel. A pack equipped with the above is mechanically attachable to and detachable from the liquid crystal projector main body, and when the pack is attached and detached, the pack and the liquid crystal projector main body are electrically connected, and the integrated circuit of the pack is The display image of the liquid crystal display panel driven based on this image is enlarged and projected.

〔Example〕

An embodiment of this invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 shows the external appearance of a liquid crystal projector device.
This projector device 1 has a game pack 4 attached to a lens portion 3 of a projector body 2, and enlarges and projects game information displayed on the game pack 4 on a screen 5.
Joystick switches 6, 6 for game operation are connected to the lens section 3, and a holder section 7 is provided on the lens section 3 as will be described later. The game pack 4 is replaceably attached to the holder part 7, and includes a transmissive liquid crystal display panel 8, which will be described later.
It includes an LSI 9 and a connector 10. The liquid crystal display panel 8 displays game information, and consists of a twisted nematic liquid crystal sealed between a pair of transparent electrode substrates with polarizing plates on the surface, so that light irradiated from one direction is transmitted through the liquid crystal display panel 8. It's getting old. The connector 10 is for electrically connecting the game pack 4 to the projector main body 2.

FIG. 2 is a block diagram showing the circuit configuration of the liquid crystal projector device 1. As shown in FIG. A power supply circuit section 11 in the projector main body 2 is supplied with power (AC 100V) from the outside through a plug 12, and supplies power to the light source 13, driver 14, and LSI 9 of the game pack 4, respectively. The light source 13 irradiates light onto the liquid crystal display panel 8 of the game pack 4 from the back side, and is arranged on the same axis as the lens section 3. In this case, the lens section 3 includes lenses 3a, 3a that magnify and project the game information displayed on the liquid crystal display panel 8 onto the screen 5, and between the lenses 3a, 3a and the light source 13, the game information is Holder part 7 for attaching the pack 4 in a replaceable manner
is provided. On the other hand, Game Pack 4 LSI
9 is supplied with power from the power supply circuit section 11, and is also supplied with a game operation signal 6a from the joystick switches 6, 6.
The liquid crystal display panel 8 is driven based on the signal a, and a signal 9 is given to the driver 14. The driver 14 gives an audio signal to the speaker 15 based on the signal 9a from the LSI 9, and causes the speaker 15 to generate game sounds.

Next, a case where the liquid crystal projector device 1 as described above is used will be explained.

First, the plug 12 of the projector main body 2 is connected to an external power source. Then, the game pack 4 is attached to the holder part 7 of the lens part 3, and the projector main body 2 and the game pack 4 are electrically connected via the connector 10 of the game pack 4. After that, when the game is started by operating the game status switches 6, 6, the LSI 9 of the game pack 4 drives the liquid crystal display panel 8 according to the operation of each switch 6, 6, and the liquid crystal display panel 8 is driven according to the progress of the game. The display panel 8 displays game information. When the game information is displayed in this way, the light from the light source 13 is applied from the back side of the liquid crystal display panel 8 and transmitted, is magnified by each lens 3a, 3a of the lens section 3, and the game information is displayed on the screen 5. is enlarged and projected. At this time, the speaker 15 is given an audio signal from the driver 14 based on the signal 9a from the LSI 9,
Emit game sounds depending on the progress of the game.

However, according to the projector device 1 for a liquid crystal display pack as described above, the liquid crystal display panel 8 of the game pack 4 can be opened by simply inserting the game pack 4 into the holder part 7 of the projector body 2.
Since the game information displayed on the screen can be enlarged and projected onto the screen 5, even a large number of people can easily enjoy the powerful game. Furthermore, by replacing the game pack 4, it is possible to easily enjoy many games.

In the game pack 4 of the embodiment described above, the rear side of the liquid crystal display panel 8, i.e., the light source 1
If a color diffusion plate is placed on side 3, a color display is possible.

Further, in the above-described embodiment, a case was explained in which a game pack 4 was used as the liquid crystal display pack, but the present invention is not limited to this, and for example, a TV (television) pack 20 as shown in FIG. 3 may be used. Of course, this is a good thing. This TV pack 20 includes a transmissive liquid crystal display panel 21 and circuit means for driving it. That is, the television circuit section 22 is a general television circuit, and when it receives a predetermined radio wave and is given a received signal a, it sends the video signal b to a synchronization separation circuit 23 and an A/D conversion circuit 24.
give to The synchronization separation circuit 23 separates the synchronization signal from the video signal b, and sends the synchronization signal c to the control circuit 25.
give to The control circuit 25 provides a control signal d to the scan electrode drive circuit 26 based on the synchronization signal c, and also provides a control signal e to the signal electrode drive circuit 27. The scan electrode drive circuit 26 applies a drive signal f to the scan electrodes of the liquid crystal display panel 21 based on the control signal d. On the other hand, the A/D conversion circuit 24 outputs the video signal b.
Converts to digital signal and displays digital display data g
is applied to the signal electrode drive circuit 27. The signal electrode drive circuit 27 provides a drive signal h to the signal electrodes of the liquid crystal display panel 21 based on the control signal e and digital display data g. When the liquid crystal display panel 21 receives drive signals f and h from the scan electrode drive circuit 26 and the signal electrode drive circuit 27, it displays television images. Note that the TV pack 20 may be equipped with a battery as a power source. When such a TV pack 20 is inserted into the holder portion 7 of the projector body 2 of the above-described embodiment, the television image displayed on the liquid crystal display panel 21 is enlarged and projected onto the screen 5. However, even if the TV pack 20 as described above is used, the same effect as in the above-described embodiment can be obtained.

[Effect of idea]

As explained above, a liquid crystal projector is provided with a light source, a projection means, and projects an image on a liquid crystal display panel, and is a pack including a liquid crystal display panel and an integrated circuit that drives the liquid crystal display panel.
The pack is mechanically attachable to and detachable from the liquid crystal projector main body, and the pack and the liquid crystal projector main body are electrically connected as the pack is attached and detached, and the liquid crystal display driven by the integrated circuit of the pack is made to be mechanically removable. Since the image displayed on the display panel is enlarged and projected, it is easy to obtain a large and impressive screen, allowing many people to enjoy games, etc. while watching the large screen, and with simple operations, you can easily display different LSIs. It has advantages such as being able to easily project many different kinds of image information such as game content and television information onto a large screen.

[Brief explanation of drawings]

Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a perspective view of its appearance, Figure 2 being a block diagram showing its circuit configuration, and Figure 3 being a diagram showing another liquid crystal display panel. It is. DESCRIPTION OF SYMBOLS 1...Liquid crystal projector device, 2...Projector main body, 3a...Lens, 4...Game pack, 5...Screen, 7...Holder part, 8, 2
1...Liquid crystal display panel, 9...LSI, 13...Light source, 20...TV pack.

Claims (1)

[Scope of Claim for Utility Model Registration] A liquid crystal projector that is equipped with a light source and a projection means and projects an image on a liquid crystal display panel, which includes a liquid crystal display panel and an integrated circuit that drives the liquid crystal display panel. , mechanically detachable from the liquid crystal projector main body, and
When the pack is attached and removed, the pack and the liquid crystal projector body are also electrically connected, and when the pack is attached to the liquid crystal projector body, the liquid crystal display panel is driven based on the integrated circuit of the pack. A liquid crystal projector device characterized by projecting an enlarged display image.