JPS62109481A - Picture reproducing method - Google Patents

Abstract

PURPOSE:To form a dense and fine picture over a full screen by superposing the pictures of plural types of scattered picture elements of a liquid crystal panel on the screen and connecting these picture to each other. CONSTITUTION:The picture elements 2', 2''... forming the pictures for a normal color TV are arrayed zigzag on the liquid crystal panels 3' and 3'' of a transmissive liquid crystal TV. While the opaque parts 10', 10''... having no picture element are formed to each picture element at the parts adjacent to each other. The picture elements and the parts containing no picture element are arrayed on the panels 3',3''... so that they are complement with each other. As a result, the parts 10', 10'... and 10'', 10''... where no picture element exists are filled by the picture elements 2', 2'... and 2'', 2''... respectively for the picture elements of both panels 3' and 3'' when the light is transmitted through both panels 3' and 3'' independently of each other and the pictures are overlapped with each other on the screen. Then the effective picture element parts of both panels 3' and 3'' are fully joined together and the entire area of the screen is filled with picture elements.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The disclosed technology belongs to the technical field of enlarging and projecting an image formed by pixels of a liquid crystal television or the like onto a screen.

<Summary of the gist> The present invention transmits light such as white light to a liquid crystal panel such as a transmissive liquid crystal television, and displays images such as moving images formed in a large number of pixels of the liquid crystal panel on a screen. This invention relates to a method of projecting and reproducing images on a transmissive liquid crystal panel, in particular a liquid crystal panel having pixels formed in a transmissive liquid crystal panel in which pixels are formed in a dispersed manner through a pixel-free area and transparent electrodes are not adjacent to each other. By forming multiple types and transmitting light through the pixel groups of various liquid crystal panels, the image of each pixel is enlarged and projected onto the screen. In this case, the projected images of each pixel are superimposed and joined together to form the screen. This invention relates to an image reproduction method in which a fine and detailed image is smoothly connected to the entire surface of the screen and formed without pixel boundaries.

<Prior art> As is well known, there has been remarkable progress in modern Japanese academic technology, and information communication technology has contributed greatly to the background of these advances. It is also widely used for stomach ache, and eventually,
The success of industrial television and consumer television is something to behold.

As is well known, the television itself, which projects data and images directly onto the screen, is only used for direct viewing by a very limited number of people, and many viewers cannot see the image as information. There are various problems, so
Enlargement transmission methods have been developed to enlarge and project television images onto a screen.However, in general, the brightness of the image on the screen is not always sufficient with one-type video projectors using cathode ray tube televisions.
A so-called transmission projection method using a liquid crystal television has been developed and is being put into practical use.

However, since the enlarged projection on the screen using this type of LCD TV is new to development, there are various problems, including the problem of roughness of the image on the screen due to the four physical configurations of pixels in the LCD panel. There is.

<Problem to be solved by the invention> That is, as shown in FIG. Each image formed in each pixel 2 is enlarged and projected onto a screen 6 by a lens 5 by transmitting white light or the like through a lens 5, so that information can be viewed by many viewers.

<Problems to be Solved by the Invention> Therefore, in the liquid crystal panel 3 of the small size type (1), a large number of pixels 2,2... are formed of transparent electrodes as shown in FIG. Therefore, they are arranged with respect to each other with an insulating interval 8.8 . . .

Therefore, the pixels 2, 2, etc., which are separated by the insulating intervals 8,8, on the liquid crystal panel 3, have no particular difficulty in being viewed in the case of a direct view type, but they are projected onto the screen 6. Since the image formed by each pixel 2 is enlarged and projected together with the insulating interval 8, the boundaries of each pixel are clearly visible, and the transparent part of the insulating interval 8 is also necessary. The problem was that the color tone was unstable and the screen looked grainy and blurry, causing viewers to feel eye strain when watching for long periods of time.

In the active matrix method as shown in FIG. 11, in addition to intervening the insulation interval 8, a thin film transistor TPT 9 is formed at the corner of each pixel 2 to prevent so-called crosstalk. , the TPT is also projected onto the image 7 on the screen 6, forming a shadow part that is difficult to see, and especially in the case of a color image, it is difficult to obtain a clear color match on the screen. .

Therefore, even though it is theoretically possible to increase the number of pixels in a liquid crystal panel, there is a technical limit to the fineness of the pixels due to the so-called crosstalk problem mentioned above and the difficulty in precisely arranging transparent electrodes. There was a problem that it could not be realized.

The purpose of the present invention is to solve the problem of enlarging and projecting the image of each pixel on a screen using a light transmission type liquid crystal panel based on the above-mentioned prior art. Although based on pixel formation technology, the images of each pixel projected on the screen are smoothly and continuously joined to each other to prevent discontinuities or roughness from forming at the boundaries of each image, and the color tone is made to match the pupil. This ensures that an image is formed on the entire surface of the screen in fine detail.
Moreover, technically, we provide an excellent image reproduction method that can sufficiently miniaturize images in multiple stages and benefit the field of manufacturing technology application in the information industry.
That's what I mean.

<Means/effects for solving the problem> In accordance with the above-mentioned object, the structure of the present invention, which is summarized in the above-mentioned claims, is that, in order to solve the above-mentioned problem of spotting, coarse pixels are formed on the liquid crystal panel by the conventional method. When forming the liquid crystal panel, each pixel is formed on a pixel-by-pixel basis through a pixel-free area for one liquid crystal panel, and another liquid crystal panel is formed in which pixels are formed to supplement the pixel-free area. When images obtained by transmitting light through a plurality of types of liquid crystal panels are overlapped on a screen, the periphery of each pixel is joined on the screen by pixels a; a of the plurality of liquid crystal panels, or , are formed in such a way that they overlap slightly, so that the entire image on the screen is smoothly and continuously connected to -52, and the boundaries between each pixel are invisible, and each The pixel-free area formed between the pixels of The image of each unit is covered by the pixels of each liquid crystal panel, and the illuminated part of the pixel and the shadow of TPT are not formed on the screen, and one unit image is formed finely and smoothly on the other side of the screen. A technical measure is taken to improve the fineness of the image on the screen by overlapping the images on the screen.

<Example> Next, an example of the present invention will be described below based on FIGS. 1 to 9. Note that the same parts as in FIGS. 10 to 12 will be described using the same reference numerals.

In the embodiments shown in FIGS. 1 to 3, the illustrated embodiment is a basic principle embodiment, and the liquid crystal panel 3' of a transmissive liquid crystal television.
, 3'' are liquid crystal panels 3', 3, as shown in Figure 2.3.
Pixels 2', 2', . ), 1
0'... are formed.

Then, a first type of liquid crystal panel 3' shown in FIG.
, an opaque portion 10' that does not have the pixel;
The lead wires of the transparent electrodes and the TPT portions of the active electrodes 71 to 10' are sufficiently provided.

In contrast, the second type of liquid crystal panel 3'', as shown in FIG. Pixels 2'', 2', etc. of the transparent electrode are formed in a staggered manner in the portion corresponding to the pixel 2'', 2', etc. in FIG. It is formed in the non-transparent parts 10', 10'', etc., and is used for the wiring part of the lead wire of the transparent electrode and the TPT part.

Therefore, each liquid crystal panel 3', 3'' shown in Figure 2.3
is arranged in such a manner that pixels and areas without pixels complement each other in phase q.

Therefore, the liquid crystal panels 3' and 3'' shown in Fig. 2.3 are
When light is transmitted through the images separately and the images are overlapped on the screen, as shown in FIG. 1, the areas 10', 10', .
"... are mutual pixels 2', 2'..., 2", 2".
..., all the effective pixel parts of the liquid crystal panels 3', 3'' are joined, and the entire surface (excluding the peripheral area) is formed entirely of pixels.Theoretically and in principle, all the pixels 2
The boundary between ' and 2' does not stand [].

Therefore, as shown in FIG. 9, a white light source from the light sources 4' and 4'' is transmitted through the two liquid crystal panels 3' and 3' having the above-mentioned configuration, and a rescreen 6 is applied to the Hark mirror 12 and the lens 5. When images 7', 7'' are formed on top, each pixel 2', 2
The color television image formed on the screen is enlarged as it is, and continuous, dense pixels 7 are formed on the entire top surface of the screen without any boundaries.

Next, in the embodiment shown in FIGS. 4 to 8, the liquid crystal panel 3
', 3', 3''', 31 have four types of terms as shown in Figs. 4 to 7. In the liquid crystal panel 3' shown in Fig. They are arranged evenly through narrow width parts 10', 10', etc., which do not have pixels, whereas the parts 10', 10' which do not have pixels
Each liquid crystal panel in which pixels 2'', 2'', 2'' of the portion corresponding to . When superimposed, all the pixels 2', 2'', and which mutual edges are A-burlaped on the entire surface except for the edges as shown in Figure 8, so that the boundaries of the pixels are completely covered. An image is formed.

Therefore, in this embodiment, there is an opaque panel part in each crystalline panel, and the Riet line and T
As shown in FIG. 8, images of lead wires, TPT, etc. used for opaque electrode portions are not formed in the projected images formed by overlapping each other as shown in FIG. When an image formed by pixel formation by light transmission as shown in the figure is projected onto the screen G to form the entire image, a smoothly continuous and fine-grained image will be formed.

It should be noted that the embodiments of the present invention are of course not limited to the above-mentioned embodiments. For example, one image pixel may be formed by joining each half of the pixels of the above-mentioned embodiments, or In addition to forming the entire pixel from one pixel at a time, by superposing a liquid crystal panel in which a large number of fine pixels, such as one-third or one-fifth, are arranged, it is possible to display on the screen. images can be formed into continuous fine-grained images without boundaries.

Furthermore, the target information transmission image is not limited to a color image, but may be a monochrome image, and it is of course possible to apply it to slides and the like.

<Effects of the Invention> As described above, according to the present invention, an image on a liquid crystal panel such as a transmissive liquid crystal television, which basically allows enlarged projection of an image onto a large screen, has no boundaries between images of each pixel on the screen. , the image is formed as a continuous image, allowing many viewers to see a finely detailed image, which has the excellent effect of providing accurate and high-definition information to many people. In addition to being visible, it also has the excellent effect of not causing eye strain to the viewer.

Thus, by increasing the number of dispersed pixels of the liquid crystal panel, the effect of forming a more detailed image on the screen is enhanced.

In addition, the dispersion formed on the liquid crystal panel reduces the number of molecules 1. By superimposing the transmitted light of the liquid crystal panel on the screen, the pixels of various liquid crystal panels and the parts without pixels are used as type pixels, so that the pixels of each liquid crystal panel overlap the pixels of other liquid crystal panels. An excellent effect that can be used to fill in the missing parts and join the images of each pixel on the screen to each other, or to overlap the edges to make the image on the screen a detailed image with no shadows. Or Qin.

Furthermore, since each pixel in a liquid crystal panel has an opaque area with no pixels around its periphery, it is possible to form lead wires and TF work to connect to the transparent electrode, making it easy to manufacture the liquid crystal panel. The excellent effect of Qin.

This has the excellent effect of increasing the degree of freedom in designing the arrangement of lead wires and T-pieces for the opaque area where there are no pixels.

[Brief explanation of drawings]

Figures 1 to 9 are detailed explanatory diagrams of the present invention, with Figure 1 being a schematic front view of pixels of an image obtained by superimposing transmitted light from multiple liquid crystal panels, and Figures 2 and 3 being Figure 1. 4.5.6.7 is a schematic front view of a mode in which the distributed pixels of the image mutually compensate for the areas where there are no pixels, and FIG. 7 is a schematic front view of the overlapping pixel of the distributed type pixel, FIG. 9 is a schematic side view of image projection on the screen by light transmission of the liquid crystal panel, and FIGS. 11 is a partial enlarged front view of FIG. 10, and FIG. 12 is a schematic side view of an enlarged projection of the pixel image onto the screen. 3.3', 3', 31. What...LCD panel, 6...
・Screen, 2', 2", do, do...pixel, 7...image 2°, 2"--1 6---Screen 9-
3', 13"-m-kuNvne) Procedures Nei City Termination (Voluntary) February 4, 1985!l Termination' Number of inventions None As shown in the attached sheet.

Claims (1)

[Claims] In an image reproduction method in which images formed pixel by pixel are projected onto a screen by a transmissive liquid crystal panel, images of multiple types of dispersed pixels of the liquid crystal panel are superimposed on the screen and joined together to display the entire surface. An image reproduction method characterized by forming a dense fine image.