CN2193000Y

CN2193000Y - No-slit high-clarity, combined displaying screen

Info

Publication number: CN2193000Y
Application number: CN 93237919
Authority: CN
Inventors: 陈建平
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-12
Filing date: 1993-11-12
Publication date: 1995-03-22
Anticipated expiration: 2003-11-12

Abstract

The utility model relates to a combined type and large display screen belonging to the field of image display. At present, a combined type television screen which is composed of a plurality of television sets has an obvious combined slit. An image which is displayed is lack of associative perception, the image information is lost, and the visual effect is influenced. A plurality of image transmission beam amplifying panels which can amplify an image are spliced and assembled, which forms the screen of the utility model. The utility model eliminates the connecting slit of the combined type television screen and the assembly distortion of the images. The image which is displayed is complete without impairment. The image has high contrast and high definition. The utility model is suitable for the display of a high definition television and public places, such as large-sized indoor and outdoor full chromatic display screens, screen and video theatres, etc.

Description

No-slit high-clarity, combined displaying screen

The utility model is a kind of combined large display screen for the image demonstration, belongs to visual demonstration field.

The combined electrical screen is a kind of large display screen curtain that the eighties grows up, and it is made of a plurality of chromoscopes or the back projection TV screen formula of building a wall.Because its can display color television image and definition height, brightness be moderate etc. that characteristics have obtained development and extensive use rapidly.The combined electrical screen can be divided into direct-viewing type TV screen and projection television screen two big classes, and direct-viewing type is to be combined by the common color picture tube; Projection is to be formed by back projection type projection TV set screen combination.Because kinescope glass shell has certain thickness, and projection screen need fix, and therefore each picture can not be realized tight connection when combination, thereby forms significantly combination slit.These slits make the visual imperfect of demonstration, lack associative perception, have caused losing of pictorial information, have influenced visual visual effect, have limited range of application.

The purpose of this utility model provide a kind of can eliminate combined electrical screen combination slit, screen size can arbitrary combination display screen, it can show intact high definition and high-contrast chromatic image, satisfy the needs of high definition TV and the large-scale full-colour display screen of indoor and outdoor, enrich people's entertainment life.

Screen provided by the utility model is to resemble Shu Fangda panel splicing-in by plural biography to combine, thereby passes and to resemble the basic assembled unit that the Shu Fangda panel is a screen, and it is to be formed by the optical fiber set.Optical fiber is divided into tiny pixel to the image that biography resembles on the Shu Fangda panel, is delivered to the fibre-optic other end then.Utilize optical fiber to pass light indiffusion and flexible characteristic, biography resembles the Shu Fangda panel image that transmits is amplified in proportion.Like this, pass the image that resembles the amplification of Shu Fangda panel by one group and just can become a seamless complete image by splicing-in.

Be illustrated referring now to accompanying drawing:

Fig. 1: screen front elevation

Fig. 2: pass and resemble Shu Fangda panel perspective view

Fig. 3: screen regional cutaway view

The display surface of screen (1) is to take advantage of the seamless unoccupied place of N branch display surface (5) to be spliced by M.

It is the elementary cell of this screen that biography resembles Shu Fangda panel (2) (see figure 2), and it is made of through gluing or hot pressing by countersunk arrangement a branch of optical fiber (3) (comprising the composite optical fibre that is assembled by one group of optical fiber).It has different large and small two end faces of area, the end face that area is little is the plane of incidence (4), the end face that area is big is branch display surface (5), on these two end faces, optical fiber (3) is evenly distributed, the position is one to one, just arranges closely on the plane of incidence (4), arranges thinly on a minute display surface (5).Because optical fiber (3) has the biography light characteristic that the light indiffusion is propagated, and the area difference of both ends of the surface, therefore when an images projects the plane of incidence (4), go up the distortionless image that just can see that a width of cloth amplifies at a minute display surface (5).That is to say that biography resembles Shu Fangda panel (2) and has the function of enlarged image.The shape of the plane of incidence (4) and branch display surface (5) generally is a rectangle, also can be certain curved surface, and this will require decide according to the image of projection and the image of demonstration.For example, when the image of usefulness picture tube directly transmitted, the plane of incidence (4) should directly closely contact with teletron screen, and at this moment, the plane of incidence (4) should be a kind of concavity curved surface (seeing the dotted portion among Fig. 2).When the image on the plane of incidence (4) is when being throwed up by projection tube, the plane of incidence (4) is a rectangle.Between the optical fiber (3) in biography resembles Shu Fangda panel (2) the black filler is arranged, the stray light that can absorb the irradiates light injected by the outside and leak out in the optical fiber, thus improved visual contrast of display degree.

There is a circle fastening frame (7) side that resembles Shu Fangda panel (2) in biography, and its cross section is a right angle triangle, and it and biography resemble Shu Fangda panel (2) and fuse.Fastening frame (7) is connected with tee T bonding jumper (8) on the frame (9).The formed area of fastening frame (7) like this, leaves certain space and makes fastening frame (7) and frame (9) fixing, and do not influence the seamless connection between each minute display surface (5) less than the area of a minute display surface (5).

Four jiaos at the plane of incidence (4) have four optical fiber exits (6), by optical signal detecting to four exits, can obtain branch display surface (5) and go up information such as initial, the end of image and length, width, then these feedback information are arrived the electronic scanning control system, the image of demonstration is accurately located, divide the image between the display surface (5) to realize accurately being connected, thereby eliminated by interconnecting the combination image distortion that is brought between each minute display surface (5).

Use-case is: by the combined electrical screen one width of cloth TV image is decomposed into separate M and takes advantage of N width of cloth image subsection, then image subsection is throwed or is sent on the plane of incidence (4) that resembles Shu Fangda panel (2), resemble in biography and just obtain the image subsection that a width of cloth amplifies on the branch display surface (5) of Shu Fangda panel (2), the image subsection that M takes advantage of the N width of cloth to amplify has just synthesized complete, a seamless large-scale tv image on screen display face (1).The N that the level of image and vertical resolution are respectively branch display surface (5) on the screen display face (1) times and M times.Therefore this screen can reach very high resolution and contrast, is easy to satisfy the needs that high definition TV shows.

The utility model, can make the large-scale high definition of indoor and outdoor, full-colour display screen, be applicable to public places such as visual demonstration, TV theater, stadiums, hotel, market, also can be used for high definition TV display, the large-scale display terminal of computer, have very high practical value and vast market prospect.

Claims

1, a kind of screen that shows for image is characterized in that it is by amplifying image in proportion more than two, and can the interconnective biography in seamless unoccupied place resembling Shu Fangda panel (2) and splice and combine and form.

2, according to the described screen of claim 1, it is characterized in that: biography resembles Shu Fangda panel (2) and presses countersunk arrangement through bonding or hot forming by many optical fibers (containing composite optical fibre) (3).It has different large and small two end faces of area, and on these two end faces, optical fiber (3) is evenly distributed, and the position of arrangement is one to one.

3, according to claim 1,2 described screens is characterized in that: resemble four jiaos of Shu Fangda panel (2) in biography, four optical fiber exits (6) that are used to detect visual display position are arranged.

4, according to claim 1,2 described screens, it is characterized in that: the side that resembles Shu Fangda panel (2) in biography has a circle to be used for fixing the fastening frame (7) that biography resembles Shu Fangda panel (2), and it does not produce the combination slit when interconnecting to resemble Shu Fangda panel (2) in biography.