CN102207672B

CN102207672B - Device for carrying out liquid crystal display (LCD) monochrome image mosaic by prism

Info

Publication number: CN102207672B
Application number: CN 201110154776
Authority: CN
Inventors: 靳张铝; 李海洋; 周烨锋; 刘喜章
Original assignee: Tianjin Aiante Innovation Technology Co Ltd
Current assignee: Tianjin Aiante Innovation Technology Co Ltd
Priority date: 2011-06-10
Filing date: 2011-06-10
Publication date: 2013-07-17
Anticipated expiration: 2031-06-10
Also published as: CN102207672A

Abstract

The invention discloses a device for carrying out liquid crystal display (LCD) monochrome image mosaic by a prism. The device comprises a mechanism base and the prism. The center of the base is provided with the prism with three incidence planes. Rear polarizing films parallel to the corresponding incidence planes are arranged outside the corresponding incidence planes of the prism. LCD panels parallel to the corresponding rear polarizing films are arranged outside the corresponding rear polarizing films. Front polarizing films parallel to the corresponding LCD panels are arranged outside the corresponding LCD panels. Light-emitting diode (LED) lamp panels parallel to the corresponding front polarizing films are arranged outside the corresponding front polarizing films. The three LED lamp panels are a red LED lamp panel, a green LED lamp panel and a blue LED lamp panel respectively. A light emitting surface of the red LED lamp panel faces a 45-degree red reflection surface of the prism. A light emitting surface of the blue LED lamp panel faces a 45-degree blue reflection surface of the prism. A light emitting surface of the green LED lamp panel faces the incidence plane parallel to an emergent surface of the prism. The emergent surface of the prism is provided with a fixed-focal projection lens. Due to the method that three LCD panels are arranged on the three image incidence planes of the prism for display image mosaic, the resolution of the display panels can be improved by three times.

Description

Adopt prism to carry out the device of LCD monochrome image splicing

Technical field

The present invention relates to a kind of equipment that adopts prism to carry out the splicing of LCD image, particularly relate to the device that outputs to microfilm recorder raising exposure image resolution for computer picture.

Background technology

The technical approach that uses the digital picture microfilm recorder in the market is laser scanning methods exposure image on microfilm, therefore exist technical sophistication, equipment cost height, the critical component life-span is short, and problems such as maintenance cost height have hindered the penetration and promotion application.

Adopt LCD imaging technique exposure image on microfilm, technology maturation, advantages such as cost is low, the life-span is long are outstanding, but, key issue is current monolithic LCD panel as according to conventional use-pattern, the miniature resolution technique index to the film pick-up machine equipment of the resolution index of the image single exposure imaging of a liquid crystal board and digital picture has bigger gap, therefore, adopt an existing LCD plate once to show the method for exposure, can't realize the technical indicator of digital picture microfilm recorder exposure image.

Summary of the invention

Technical matters to be solved by this invention is, in order to improve the digital picture microfilm recorder exposure image resolution of LCD technology imaging, a kind of method that adopts the prism composograph is provided, three blocks of LCD plates are carried out the physics splicing, realization is exposing to the image on the film, reaches 3 times to the device of LCD plate resolution of displayed images.

The present invention adopts prism to carry out the device that LCD shows the image splicing, comprise mechanism base and prism, base central authorities arrange the prism with three planes of incidence, each plane of incidence outside of prism arranges rear polarizer in parallel respectively, each rear polarizer outside arranges parallel with it LCD plate respectively, each LCD plate outside arranges parallel with it preceding polaroid respectively, the polaroid outside arranges parallel with it LED lamp plate respectively before each, described three LED lamp plates are followed successively by red, green, blue LED lamp plate, red LED lamp plate light-emitting area is towards the red reflex face of prism 45 degree, blue LED lamp plate light-emitting area is towards the blue reflecting surface of prism 45 degree, green LED lamp plate light-emitting area is towards the plane of incidence parallel with the prism exit facet, and the exit facet of prism arranges fixed focus projection lens.Tight shot be responsible for three blocks of images that are synthesized together through prism splicing as required ratio be imaged on the film.

Described prism is to adopt known 3LCD projection core optical module---close look colour splitting prism element.

Described LED lamp plate is to be formed by many LED wick arranged in arrays, and single wick lighting angle is at 100～120 degree, and the lamp plate area is more than or equal to the LCD plate.

Use the major advantage that LCD image of the present invention splices to have: to use three image planes of incidence of prism that the method that three blocks of LCD plates show the image splicing is set, can improve the resolution of three times of display boards, three LCD plates are distributed on the plane of three different latitude can effectively evade the physical obstacle of LCD frame to the seamless spliced formation of image, by adopting the LED exposure light source of three kinds of different colours of red, green, blue, can realize monochrome, the seamless image splicing of a tight shot.Adopt big lighting angle, the array light source of many LED wicks can be realized the even of exposure image image under the situation that does not add the secondary optics camera lens, simplified structure, reduction total system cost.

Description of drawings

Fig. 1 carries out the structural representation that the LCD image closes with prism;

Fig. 2 is that the LCD plate is at prism ruddiness plane of incidence R relevant position synoptic diagram;

Fig. 3 is that the LCD plate is at prism green glow plane of incidence G relevant position synoptic diagram;

Fig. 4 be the LCD plate at prism ruddiness plane of incidence B relevant position synoptic diagram,

Fig. 5 composograph projects composograph synoptic diagram on the film by tight shot.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, details are as follows to embodiment, structure, feature:

Shown in Figure 1, adopt prism to carry out the device that LCD shows that image is synthetic, comprise mechanism base 1 and prism 2, base central authorities arrange prism 2, three plane of incidence outsides of prism arrange the three piece rear polarizers 3 parallel with the plane of incidence respectively, three rear polarizer outsides arrange three blocks of parallel with it LCD plates 4 respectively, three LCD plate outsides arrange three parallel with it preceding polaroids 5 respectively, three preceding polaroid outsides arrange three parallel with it LED lamp plates respectively, three LED lamp plates are followed successively by red LED lamp plate 51, green LED lamp plate 52, blue LED lamp plate 53, red LED lamp plate 51 light-emitting areas are towards 45 degree red reflex faces of prism 2, blue LED lamp plate light-emitting area is towards the blue reflecting surface of 45 degree of prism 2, green LED lamp plate light-emitting area is towards the plane of incidence parallel with prism 2 exit facets, the exit facet of prism 2 arranges achromatism fixed focus projection lens 6, achromatism tight shot 6 be responsible for three blocks of images that are synthesized together through the prism splicing as required ratio be imaged on the film 7.

Fig. 2 be the LCD plate at prism ruddiness plane of incidence R relevant position synoptic diagram, the LCD plate of red LED lamp plate 51 and its combination is in the head end position of prism ruddiness plane of incidence R; Fig. 3 be the LCD plate at prism green glow plane of incidence G relevant position synoptic diagram, the LCD plate of green LED lamp plate 52 and its combination is in the centre position of prism green glow plane of incidence G; Fig. 4 be the LCD plate at prism ruddiness plane of incidence B relevant position synoptic diagram, the LCD plate of blue LED lamp plate 53 and its combination is in the tail end position of prism blue light plane of incidence B.

Shown in Figure 5, three blocks of images that are synthesized together through the prism splicing project composograph synoptic diagram on the film through tight shot.

Claims

1. one kind is adopted prism to carry out the device that LCD shows the image splicing, it is characterized in that, described device pedestal central authorities arrange red that 3LCD projector uses, green, Blue-Cross closes the look colour splitting prism, each plane of incidence outside of prism arranges rear polarizer in parallel respectively, each rear polarizer outside arranges parallel with it LCD plate respectively, each LCD plate outside arranges parallel with it preceding polaroid respectively, the polaroid outside arranges parallel with it LED lamp plate respectively before each, described three LED lamp plates are followed successively by red, green, blue LED lamp plate, red LED lamp plate light-emitting area is towards the red reflex face of prism 45 degree, blue LED lamp plate light-emitting area is towards the blue reflecting surface of prism 45 degree, green LED lamp plate light-emitting area is towards the plane of incidence parallel with the prism exit facet, the exit facet of prism arranges fixed focus projection lens, and the LCD plate of red LED lamp plate and its combination is in the head end position of the prism ruddiness plane of incidence; The LCD plate of green LED lamp plate and its combination is in the centre position of the prism green glow plane of incidence; The LCD plate of blue LED lamp plate and its combination is in the tail end position of the prism blue light plane of incidence.

2. employing prism according to claim 1 carries out the device that LCD shows the image splicing, it is characterized in that described LED lamp plate is to be formed by LED wick arranged in arrays, and single led wick lighting angle is at 100～120 degree, and LED lamp plate area is more than or equal to the LCD plate.