CN1392442A - Liquid crystal display - Google Patents
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- CN1392442A CN1392442A CN 01130120 CN01130120A CN1392442A CN 1392442 A CN1392442 A CN 1392442A CN 01130120 CN01130120 CN 01130120 CN 01130120 A CN01130120 A CN 01130120A CN 1392442 A CN1392442 A CN 1392442A
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Abstract
The present invention provides a small-pixel dot matrix permeating planar liquid crystal display with no view angle fault. The liquid crystal display includes paralell back light source, liquid crystal chip, transverse and longitudinal pixel microlens array and screen. It features that light beams penetrating the liquid crystal chip are focused to one point on the screen to form smaller pixel and further penetrated. The present invention also discloses one liquid crystal chip with enlarging lens to enlarge the picture displayed on the liquid crystal display.
Description
The present invention relates to does not have the baby elephant vegetarian refreshments battle array transmission plane liquid crystal direct display that the visual angle requires, and the invention still further relates to the plane liquid crystal direct display that has enlarging lens.
In the current information age, display screen is as the key equipment of man-machine interaction, and its importance is self-evident; Traditional CRT display screen is subjected to the restriction of basic structure, performance aspect volume, power consumption is often unsatisfactory, but each pixel of its demonstration is all by focusing on, perfect through for many years manufacturing process aspect, display surface has arrived pure flat boundary, and the size of its picture element is improved to 0.25mm, 0.22mm from 0.39mm, 0.31mm, 0.28mm several years ago; Transmission plane liquid crystal direct display is with its small and exquisite moulding, and lower power consumption has the gesture of eliminating the CRT display screen fully greatly; But compare with traditional CRT display screen, by focusing on, the pixel particle does not more dwindle each pixel of transmission plane liquid crystal direct display at present; There is the scarce limit of a visual range in transmission plane liquid crystal direct display in addition, particularly colored STN transmission plane liquid crystal direct display, spectators can only be before transmission plane liquid crystal direct display certain visual range watch information on the transmission plane liquid crystal direct display, information distortion is serious when seeing transmission plane liquid crystal direct display above certain visual range, for improving the viewing angle characteristic of LCD, can utilize the mode that the liquid crystal aligning of each pixel is cut apart to improve the visual angle from people, to Hitachi, Ltd handoff technique in the IPS face has been proposed also, Fuji Tsu takes multi-domain vertical alignment MVA, the making of LCD panel is become increasingly complex and can not solve viewing angle characteristic at all; The size of transmission plane liquid crystal direct display is generally less, and the above plate of flat liquid crystal display market price was high in 15 o'clock, made many personal computer monitors to be equipped with and was not more than 15 o'clock LCD.
The purpose of this invention is to provide a kind of each pixel that does not have the visual angle requirement all is by the transmission plane liquid crystal direct display of focusing, makes spectators watch the information of demonstration not have the distortion of color in any angle position before transmission plane liquid crystal direct display display surface; Purpose of the present invention also provides the LCD that has enlarging lens, makes the less liquid crystal display face of screen obtain amplifying, and makes personalized people's binocular vision level of comfort obtain suitable improvement.
The purpose of the transmission plane liquid crystal direct display that no visual angle of the present invention requires is by following transmission plane liquid crystal is shown that directly the improvement of the imaging surface of imaging realizes, transmission plane liquid crystal direct display has area source at the back of imaging LCD panel, through the polarisation modulation of the printing opacity polaroid at the back of LCD panel and LCD panel that driving circuit drives the honest transmission of the directivity of back light source is done the modulation of intensity or color polarization direction by the polarization light of liquid crystal layer, make through LCD panel respectively the light of (different coordinate position) pixel under the effect of the polaroid in LCD panel front, show corresponding polarized light image; Directly show for the transmission plane liquid crystal, the polaroid that has directivity and LCD panel front because of the orientation of liquid crystal layer has directivity, light polarizing film in the polaroid in LCD panel front is transparent, have and produce image when the liquid crystal layer of orientation and light polarizing film are done analyzing to the light that sees through the modulation of liquid crystal layer intensity or color polarization direction, when spectators' (binocular visual axis and display plane basic vertical or with the orientation basically identical of liquid crystal time) are just facing when looking transmission plane liquid crystal direct display display plane, the degree that light polarizing film is done analyzing to the polarization light that sees through liquid crystal layer generation intensity or the modulation of color polarization direction along basic vertical direction very thoroughly makes spectators feel that image is fine true, when spectators' when differing greatly (binocular visual axis and display plane tilt or) with the orientation of liquid crystal when a certain direction tilts to watch transmission plane liquid crystal direct display, liquid crystal layer is relatively poor to the light modulation capability that sees through liquid crystal layer along respective direction, light polarizing film because of the angle orientation that spectators observe changes, is then seen the image of cross-color to the degree of doing analyzing along the polarization light of spectators' binocular visual axis directive spectators eyes approximately that sees through liquid crystal layer along respective direction and produce intensity or the modulation of color polarization direction when making spectators observe visual that transmission plane liquid crystal direct display shows in some angle position; The image that transmission plane liquid crystal direct display is shown is inverted by optical lens and is projected in imaging on the screen (consider the brightness that is projected in image on the screen only do to amplify about 1: 1 projection), the imaging screen adopts the translucent screen that transmission coefficient is big, reflection coefficient is little, absorption coefficient is little, spectators see the image that does not have distortion in wash rice ground clearly in the position portion of any angle of pros and cons of the translucent screen of imaging, this moment spectators in the front of the translucent screen of imaging or reverse side see be projection ray on screen diffuse transmission or disperse reflection image; It is big with transmission coefficient to remove optical lens, reflection coefficient is little, the screen that absorption coefficient is little closely sticks on the transmission plane liquid crystal direct display display surface, the light that sees through each pixel of transmission plane liquid crystal direct display is directly impinged upon on the screen that closely sticks on transmission plane liquid crystal direct display display surface and in the screen surface imaging, what this moment, spectators saw at the screen cover of imaging is the diffuse transmission image of light on screen, spectators are before the screen cover of imaging during any angular position, each pixel of diffuse transmission image on the screen all can be injected spectators' eyeball (and imaging), makes spectators' any angular position before the screen cover of imaging see the image that does not have distortion; In order to make light polarizing film see through the not exclusively thoroughly diffuse transmission distortion information deal that the sees through screen minimizing as far as possible of analyzing of light do of liquid crystal layer intensity or the modulation of color polarization direction to a certain direction, the backlight of transmission plane liquid crystal direct display can be changed into the basic vertical parallel beam that sees through liquid crystal layer, make that directly to be projected in the diffuse transmission image that produces on the screen accurately true.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, big to the transmission coefficient that will closely stick on the transmission plane liquid crystal direct display display surface, reflection coefficient is little, the material of the screen that absorption coefficient is little carries out suitable selection, make the polarization light that sees through each pixel of transmission plane liquid crystal direct display directly impinge upon on the screen that closely sticks on transmission plane liquid crystal direct display display surface and in screen surface with the nonpolarized light developing, what this moment, spectators saw at the screen cover of imaging is the nonpolarized light diffuse transmission image of light on screen, screen cover is transformed into the nonpolarized light image with the polarized light image that transmission plane liquid crystal direct display shows, the image that does not have distortion is seen in wash rice ground clearly by the position portion of spectators' any angle in face of the imaging screen, and the image that transmission plane liquid crystal direct display is shown becomes the nonpolarized light image of the no visual angle requirement of independent of direction.The experimental test that my material to screen repeatedly of process carries out, find that most of translucent papery screen, most of cloth matter screen, partly plastic (film) sheet screen can both make the image of transmission plane liquid crystal direct display demonstration be transformed into the nonpolarized light image of the no visual angle requirement of independent of direction, spectators are before the screen cover of imaging during any angular position, each pixel of diffuse transmission image on the screen all can be injected spectators' eyeball (and imaging), makes spectators' any angular position before the screen cover of imaging see the image that does not have distortion.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, the coating of certain prescription is coated in substrate one side as the imaging screen with very thin thickness, one side of the coating of imaging screen is near LCD panel, the image that produces when making light polarizing film do analyzing to the light that sees through the modulation of liquid crystal layer intensity or color polarization direction directly shows at the thin screen cover of coating, the prescription of coating requires to satisfy certain optical property, be that transmission coefficient is big, reflection coefficient is little, absorption coefficient is little, and whether the transmission plane liquid crystal direct display that requires according to no visual angle of root requires to show that with the nonpolarized light image polarized light transmission to screen coating is transformed into the nonpolarized light diffuse transmission and classifies.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, the sharpness that the transmission plane liquid crystal direct display that requires for the no visual angle of raising shows, make the particle of each pixel as far as possible little, light polarizing film (the visual generation face) distance that must make diffuse transmission screen cover and liquid crystal direct display surface is for minimum, transparent polaroid to transmission plane liquid crystal direct display surface carries out suitable improvement, transparent polaroid is that compacting forms two-layer thin transparent plastic sheet therebetween last layer light polarizing film through special process, the thin screen cover of special use is clamped the imaging screen that is pressed into special-purpose transmission plane liquid crystal direct display surface through special process with light polarizing film by two-layer thin transparent plastic sheet, light polarizing film one side of imaging screen sticks on the LCD panel, and the image that produces when making light polarizing film do analyzing to the light that sees through the modulation of liquid crystal layer intensity or color polarization direction directly shows at the thin screen cover of special use.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, transparent polaroid to transmission plane liquid crystal direct display surface carries out suitable improvement, transparent polaroid is that compacting forms two-layer thin transparent plastic sheet therebetween last layer light polarizing film through special process, the coating of certain prescription is coated in light polarizing film one side with very thin thickness clamps the imaging screen that is pressed into special-purpose transmission plane liquid crystal direct display surface through special process by two-layer thin transparent plastic sheet, the light polarizing film of imaging screen does not have a side of coating to stick on the LCD panel, and the image that produces when making light polarizing film do analyzing to the light that sees through the modulation of liquid crystal layer intensity or color polarization direction directly shows at the thin screen cover of coating.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, diffuse transmission imaging screen layer all has certain transmission coefficient, diffuse transmission imaging screen layer for transmission plane liquid crystal direct display surface, come from transmission plane liquid crystal direct display display surface the place ahead to the transmission imaging screen laminar surface of irradiate light on transmission plane liquid crystal direct display surface can produce reflection, and reduce visual display effect, add thin (deeply) black glass sheet (or the aterrimus light-passing plastic sheet of a slice at transmission plane liquid crystal direct display display surface transmission imaging screen, or aterrimus transparent coatings), reduce come from transmission plane liquid crystal direct display display surface the place ahead to the light reflection, strengthen visual display effect.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, the backlight of transmission plane liquid crystal direct display adopts parallel beam vertically to see through the plane LCD panel, make the penlight that sees through each picture element be modulated into the corresponding informance of corresponding pixel as far as possible, direct irradiation shows on the thin slice at the diffuse transmission image of plane LCD panel, each picture element shows that at the diffuse transmission image thin slice shows with multi-direction diffuse transmission, each picture element diffuse transmission as traditional CRT display screen shows, spectators' picture information that does not have distortion that any angular position can both be watched demonstration before the transmission plane liquid crystal direct display that no visual angle requires.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, the parallel beam backlight adopts the pointolite of parabolic mirror and the installation of its focal position and produces, bigger transmission plane LCD plate will adopt bigger parabolic mirror, increase the thickness of transmission plane liquid crystal direct display; For reducing the thickness of transmission plane liquid crystal direct display, the parallel beam backlight adopts a plurality of less tight arrangement sunlight paraboloid surface catoptrons and the pointolite array of its focal position installation to produce the parallel beam backlight than big xsect of splicing.
The transmission plane liquid crystal direct display that does not have the visual angle requirement as the present invention further improves, the parallel beam backlight adopts the pointolite of Fresnel planar lens and the installation of its focal position and produces, the light that pointolite at Fresnel planar lens focus place sends, become the parallel beam backlight after seeing through the Fresnel planar lens, select less focal length with the corresponding Fresnel planar lens of transmission plane LCD plate size, the thickness of transmission plane liquid crystal direct display is reduced, the light that sends for the pointolite at the Fresnel planar lens mirror foci place of less focal length, become the even equal parallel beam backlight of luminous flux after seeing through the Fresnel planar lens, the light that sees through the Fresnel planar lens is decayed by the zone different with optical axis, prepare one with the identical light intensity attenuation of Fresnel planar lens size, make to through the light of Fresnel planar lens from the beam center to the edge by by force to underdamping.
Not having each pixel that the visual angle requires as the present invention all is transmission plane liquid crystal direct display by focusing on, pixel particle Xiao Cheng M on the transmission plane LCD plate * dot matrix of N two dimension transmission plane LCD plate is about the compact arranged one-dimensional linear dot matrix of L/M and W/N respectively for M pixel particle length and width size of each row, the capable compact arranged linear array of total N is formed M * N two dimension transmission plane LCD plate, near parallel backlight one side linear array column microlens array sheet A is installed in the transmission plane LCD plate, the size of linear array column microlens array sheet A is corresponding with two-dimentional transmission plane LCD plate, the focal length RA of linear array column microlens array sheet A, each the bar column lenticule of linear array column microlens array sheet A and the dot matrix of two-dimentional transmission plane LCD plate for M pixel grain size of each row be about (L/M) * (W/N) the width of compact arranged one-dimensional linear dot matrix, length is accurately corresponding, and the capable column lenticule of the N optical axis of linear array column microlens array sheet A is accurately corresponding with the capable compact arranged linear array pixel of the N center of two-dimentional transmission plane LCD plate; See through corresponding with it capable pixel again behind parallel Shu Chuizhi backlight each row column lenticule through linear array column microlens array sheet A, the above light of each pixel horizontal center line is deflected down slightly, the following light of each pixel horizontal center line is upward deflected slightly, assemble at focal length RA place journey horizontal space; Near display surface one side linear array column microlens array sheet B is installed in the transmission plane LCD plate, the size of linear array column microlens array sheet B is corresponding with two-dimentional transmission plane LCD plate, the focal length RB of linear array column microlens array sheet B is that RA deducts distance between the center of linear array column microlens array sheet A and linear array column microlens array sheet B, each the bar column lenticule of linear array column microlens array sheet B and the dot matrix of two-dimentional transmission plane LCD plate are about the width of the compact arranged one-dimensional linear dot matrix of (L/M) * (W/N) for each row pixel grain size, length is accurately corresponding, and it is accurately corresponding that the M colonnade shape lenticule optical axis and the M of two-dimentional transmission plane LCD plate of linear array column microlens array sheet B is listed as compact arranged linear array pixel center; See through corresponding with it capable pixel again behind parallel Shu Chuizhi backlight each row column lenticule through linear array column microlens array sheet A, make the above light of each pixel horizontal center line deflect down the directive focal line slightly, make the following light of each pixel horizontal center line upward deflect the directive focal line slightly, after seeing through each colonnade shape lenticule of linear array column microlens array sheet B again, assemble in the spatial point that focal length RB place journey is desirable, the projection ray that makes each pixel of M * N is at RA, desirable spatial point on the RB focal plane is assembled, the diffuse transmission image is installed on the plane parallel with two-dimentional transmission plane LCD plate at focal length RB place, the linear array column microlens array sheet B outside is shown thin slice, each picture element focuses on diffuse transmission image demonstration thin slice and shows with multi-direction diffuse transmission, each picture element as traditional CRT display screen focuses on the diffuse transmission demonstration, spectators' picture information that does not have distortion that any angular position can both be watched demonstration before the transmission plane liquid crystal direct display that no visual angle requires.
The LCD that the present invention has an enlarging lens is by to laterally or vertically correspondingly the amplifying of the picture of liquid crystal display, and produces the virtual image that amplifies, and satisfies people to the demand than large screen display face; In the position that the visual display surface of display is suitable one big Fresnel Lenses is installed, the image display surface is parallel with Fresnel lens to be d apart, the focal length of Fresnel lens is f, f＞d, the enlargement factor of image display surface is f/ (f-d), the enlargement factor of adjusting visual display surface is about 1.1 to 2 times, it is little that 1.1 to 2 times magnification makes the imaging distortion of image on retina of both eyes on the one hand, the virtual image that amplifies in the difference of the intraocular imaging in the spectators left and right sides through left and right sides dynamic image through the image pixel contraposition of the left and right sides of vision system, mathematical logic computing and fusion, synthetic quality is visual preferably in spectators' brain.
The LCD that has enlarging lens as the present invention is further improved, Fresnel spiral shell mosquito lens are horizontal with enlargement factor is identical longitudinally to image, spectators or operating personnel often need the display horizontal view angle greatly to adapt to the characteristic of left and right sides eyes, in the position that the visual display surface of display is suitable one big lens pillar is installed, the image display surface is parallel with lens pillar to be dx apart, the focal length of lens pillar is fx, fx＞dx, the lateral magnification of image display surface is fx/ (fx-dx), and the lateral magnification of adjusting visual display surface is about 1.1 to 3 times; For alleviating horizontal amplifying lens weight, make lens pillar into Fresnel ladder sheet cylindrical lens, non-working surface at Fresnel ladder sheet cylindrical lens is coated light tight coating, to be reduced in the interference of imaging in the eyeball, the plane layer of Fresnel ladder sheet cylindrical lens is in the face of spectators, the Fresnel Lenses plane layer coat anti-reflection coating with reduce extraneous light to eyeball in the interference of imaging.
The LCD that has enlarging lens as the present invention is further improved, the suitable y that vertically carries out to image when visual display surface is laterally amplified x times doubly amplifies, the amplification of image is adopted the combined lens of Fresnel spiral shell mosquito lens and Fresnel ladder sheet cylindrical lens, Fresnel spiral shell mosquito lens are horizontal with enlargement factor is identical longitudinally to image, the image display surface is parallel with Fresnel lens to be d apart, the focal length of Fresnel lens is f, f＞d, the enlargement factor of visual display surface is f/ (f-d); Focal length is that the horizontal amplifying lens of Fresnel ladder sheet cylinder of fx amplify to be considered to resemble to Fresnel spiral shell mosquito lens again and laterally amplified, adjust Fresnel ladder horizontal amplifying lens of sheet cylinder and Fresnel spiral shell mosquito lens and amplify the worry image distance from being dx, what make visual display surface laterally amplifies fx/ (fx-dx) more doubly with two bigger horizontal view angles about adapting to.
The LCD that has enlarging lens as the present invention is further improved, the suitable y that vertically carries out to image when visual display surface is laterally amplified x times doubly amplifies, the image display surface is parallel with the horizontal amplifying lens of Fresnel ladder sheet cylinder to be dx apart, the focal length of the horizontal amplifying lens of Fresnel ladder sheet cylinder is fx, fx＞dx, the lateral magnification of image display surface is fx/ (fx-dx), the image display surface is parallel with the vertical amplifying lens of Fresnel ladder sheet cylinder to be dy apart, the focal length of the vertical amplifying lens of Fresnel ladder sheet cylinder is fy, fy＞dy, vertical enlargement factor of image display surface is fy/ (fy-dy), and vertical enlargement factor of selecting visual display surface is that appropriate value makes binocular vision the most comfortable.
The LCD that has enlarging lens as the present invention is further improved, the suitable y that vertically carries out to image when visual display surface is laterally amplified x times doubly amplifies the holographic eyeglass of employing monolithic, be that the holographic front lens surface of monolithic is the horizontal amplifying lens of the stepped cylinder of Fresnel, reverse side is the vertical amplifying lens of the stepped cylinder of Fresnel, the rectangle enlarging lens is divided into the set C of a certain size two-dimensional array
11... C
N1... C
NmThe lens of the rectangular region that each is little have the optical axis of common coincidence, the lens of the rectangular region that each is little laterally amplify x to the displayed image face and doubly the y that vertically carries out of image are doubly amplified, the imaging of amplifying is the complete image for overlapping concerning same viewpoint, makes spectators' eyes observe the image that the holographic eyeglass of monolithic amplifies with two viewpoints.
In sum, the baby elephant vegetarian refreshments transmission plane liquid crystal direct display that no visual angle of the present invention requires is simple in structure, spectators' picture information that does not have distortion that any angular position can both be watched demonstration before the transmission plane liquid crystal direct display that no visual angle requires; The liquid crystal display device structure that the present invention has enlarging lens is simple, makes eyes directly can observe bigger image frame.
Below in conjunction with accompanying drawing LCD of the present invention is further specified.
Fig. 1 is a kind of enforcement figure that the present invention does not have the printing opacity LCD of visual angle requirement.
Fig. 2 is the surperficial polarisation imaging chip architecture figure that the present invention does not have the transmission plane liquid crystal direct display of visual angle requirement.
Fig. 3 is that the present invention does not have the structural drawing that the visual angle requires improved diffuse transmission screen sheet additional sheets to existing transmission plane liquid crystal direct display.
Fig. 4 is the structural drawing that the present invention does not have the row or column pixel focusing micro-pillar array lens of the baby elephant vegetarian refreshments battle array transmission plane liquid crystal direct display that the visual angle requires.
Fig. 5 is the horizontal enlarging lens structural drawing that the present invention has the plane liquid crystal direct display of enlarging lens.
Fig. 6 is the holographic enlarging lens structural drawing of the monolithic of the present invention's plane liquid crystal direct display of having enlarging lens.
Fig. 7 be the present invention's baby elephant vegetarian refreshments battle array transmission plane liquid crystal direct display of having enlarging lens a kind of enforcement structural drawing.
In Fig. 1, the direct display surface 101 of transmission plane liquid crystal is present known display plane, diffuse transmission screen 102 is close to display surface 101, the light of transmission display face 101 is imaging on diffuse transmission screen 102 directly, diffuse transmission screen 102 adopts special translucent calico or translucent blank sheet of paper to make each the pixel polarization light through diffuse transmission screen 102 become the unpolarized light of dispersing of each pixel, spectators are before diffuse transmission screen 102 during any angular position, each pixel of diffuse transmission image on the diffuse transmission screen 102 all can be injected spectators' eyeball (and imaging), makes spectators' any angular position before the screen cover of imaging see the image that does not have distortion.
In Fig. 2; polarisation imaging sheet is made up of diffuse transmission screen coating 13, the Dark grey light transmission protective layer 14 of adhered layer 11, light polarizing film 12, light polarizing film 12 1 sides; when coating 13 operation, add that suitable adhesive makes it bonding with protective seam 14 in coating; the coating of diffuse transmission screen coating 13 adopt transmission coefficient high transmission-polarizing light can be transformed into the coating that nonpolarized light is dispersed, adhered layer 11 makes polarisation imaging sheet and liquid-crystalline glasses sheet surface bonding.
In Fig. 3, diffuse transmission screen sheet is made up of adhered layer 21, diffuse transmission screen coating 22, substrate 23, diffuse transmission screen sheet is attached to existing transmission plane liquid crystal direct display display plane by adhered layer 21, spectators are before diffuse transmission screen during any angular position, each pixel of diffuse transmission image on the diffuse transmission screen all can be injected spectators' eyeball (and imaging), makes spectators' any angular position before the screen cover of imaging see the image that does not have distortion.
In Fig. 4, the liquid crystal pixel focusing eyeglass is a linear array microtrabeculae face lens, the liquid crystal pixel of delegation is accurately corresponding to the end from the microtrabeculae face lens 3 of first row liquid crystal pixel that microtrabeculae face lens 4 and the LCD panel first of delegation is capable to the end in the front, accurately corresponding to the liquid crystal pixel of last row to the microtrabeculae face lens 2 of last row at reverse side with the liquid crystal pixel of LCD panel first row from the microtrabeculae face lens 1 of first row, the focusing that parallel backlight vertically sees through liquid crystal pixel line focus eyeglass makes each focus point imaging on the diffuse transmission screen, makes the pixel particle of pixel on the diffuse transmission screen as much as possible little.
In Fig. 5, laterally enlarging lens adopts Fresnel ladder sheet cylindrical lens, Fresnel ladder sheet cylindrical lens adopts injection mold production, non-working surface at Fresnel ladder sheet cylindrical lens is coated light tight coating, to be reduced in the interference of imaging in the eyeball, the plane layer of Fresnel ladder sheet cylindrical lens is coated anti-reflection coating in the face of spectators at the plane layer of Fresnel Lenses, to reduce the interference of extraneous light to imaging in the eyeball.
In Fig. 6, the front of amplifying lens is the Fresnel ladder sheet cylindrical lens that image is laterally amplified, the reverse side of amplifying lens is the Fresnel ladder sheet cylindrical lens that image is vertically amplified, form the holographic amplifying lens of Fresnel, the holographic amplifying lens of Fresnel makes its horizontal amplification to image big to adapt to the bigger horizontal visual angle of eyes because of the Fresnel ladder sheet cylindrical lens focal length in front less than the Fresnel ladder sheet cylindrical lens focal length of reverse side, the holographic amplifying lens of Fresnel adopts injection mold production, non-working surface at the holographic amplifying lens of Fresnel is coated light tight coating, to be reduced in the interference of imaging in the eyeball, the plane layer of Fresnel ladder sheet cylindrical lens is in the face of spectators, plane layer at Fresnel Lenses is coated anti-reflection coating, to reduce the interference of extraneous light to imaging in the eyeball, the holographic amplifying lens imaging of Fresnel for consider resemble and image quality relatively poor, but can make spectators' right and left eyes see discrepant horizontal enlarged image because of the lateral attitude is different, through left and right sides dynamic image through the image pixel contraposition of the left and right sides of vision system, mathematical logic computing and fusion, synthetic quality is visual preferably in spectators' brain.
In Fig. 7, be positioned at the light that the bulb 201 at Fresnel spiral shell mosquito lens 202 focus places sends and become substantially parallel bundle backlight through the reflection and the Fresnel spiral shell mosquito lensing of reflector plate 200, after the array of linear array microtrabeculae face lens 203 focuses on, make each bundle microfocus light respectively through the corresponding pixel on the LCD panel 204, focus on imaging on diffuse transmission screen 205, image on the diffuse transmission screen 205 is given the comfortable visual experience of spectators through the suitable amplification of enlarging lens 206.
The transmission plane liquid crystal direct display that has enlarging lens that no visual angle of the present invention requires is not limited to above-mentioned embodiment, and the active driving of TFT-LCD shows or STN shows no matter be applied to; no matter how the size of its display surface changes; computer shows or instrumentation shows no matter be applied to; no matter it is that polarized light is dispersed demonstration or nonpolarized light is dispersed demonstration that image manifests screen; no matter adopt which kind of diffuse transmission screen; no matter how the focal length of enlarging lens changes; no matter how horizontal the or vertical enlargement factor to displayed image changes all within protection scope of the present invention.
Claims (10)
1. one kind has thoroughly solved the scarce transmission plane LCD of limitting in visual angle, and it comprises backlight, LCD panel, diffuse transmission screen; It is characterized in that: the light direct irradiation that sees through each liquid crystal pixel is on topped diffuse transmission screen on the LCD panel skin and become diffuse transmission, makes spectators' distortion that any angle position watches the information of demonstration not have before transmission plane liquid crystal direct display diffuse transmission screen cover.
2. LCD according to claim 1 is characterized in that: backlight adopts source of parallel light, makes light beam direct irradiation through each liquid crystal pixel on the diffuse transmission screen and become diffuse transmission, improves the effect that shows.
3. one kind has thoroughly solved the scarce baby elephant vegetarian refreshments battle array transmission plane LCD of limitting in visual angle, and it comprises parallel backlight, LCD panel, pixel linear array column individual layer microlens array eyeglass, diffuse transmission screen; Be characterized in: the light that sees through each pixel of LCD panel shield along a certain direction focusing in diffuse transmission, make each pixel on diffuse transmission shields with tiny particle imaging and make diffuse transmission.
4. one kind has thoroughly solved the scarce baby elephant vegetarian refreshments battle array transmission plane LCD of limitting in visual angle, and it comprises parallel backlight, LCD panel, the horizontal and vertical linear array column of pixel microlens array eyeglass, diffuse transmission screen; Be characterized in: the horizontal and vertical linear array column of pixel microlens array eyeglass is very little accurately corresponding with the installation site to the greatest extent with the LCD panel pixel of two-dimensional array, the light that sees through each pixel of LCD panel is earlier after horizontal and vertical focusing on the diffuse transmission screen a bit, make each pixel on the diffuse transmission screen with the smaller particles imaging and make diffuse transmission.
5. LCD that has enlarging lens, it comprises LCD plate and thin slice enlarging lens, it is characterized in that: enlarging lens adopts Fresnel spiral shell mosquito lens, non-working surface at Fresnel spiral shell mosquito lens is coated light tight coating or coarse, to be reduced in the interference of imaging in the eyeball, the virtual image that amplifies in the difference of the intraocular imaging in the spectators left and right sides through left and right sides dynamic image through the image pixel contraposition of the left and right sides of vision system, mathematical logic computing and fusion, synthetic quality image preferably in spectators' brain.
6. according to the described LCD that has enlarging lens of claim 5, it is characterized in that: enlarging lens adopts the combined lens of Fresnel spiral shell mosquito lens and Fresnel ladder sheet cylindrical lens, make combined lens to the lateral magnification of dynamic image greater than vertical enlargement factor to dynamic image.
7. LCD that has enlarging lens, it comprises LCD plate and thin slice enlarging lens, it is characterized in that: enlarging lens adopts cylindrical lens or Fresnel ladder sheet cylindrical lens that dynamic image is laterally amplified, the non-working surface of Fresnel ladder sheet cylindrical lens is coated light tight coating or coarse, to be reduced in the interference of imaging in the eyeball.
8. according to the described LCD that has enlarging lens of claim 7, it is characterized in that: the combined lens that enlarging lens adopts two cylindrical lenses or Fresnel ladder sheet cylindrical lens respectively to dynamic image laterally, vertically amplify, make combined lens to the lateral magnification of dynamic image greater than vertical enlargement factor to dynamic image.
9. LCD that has enlarging lens, it comprises LCD plate and thin slice enlarging lens, it is characterized in that: enlarging lens adopts the holographic eyeglass of monolithic that dynamic image is amplified, the holographic eyeglass of monolithic greater than the vertical enlargement factor to dynamic image, makes the intraocular imaging in the spectators left and right sides produce more big-difference to the lateral magnification of dynamic image; The non-working surface of the holographic eyeglass of monolithic is coated light tight coating or coarse, to be reduced in the interference of imaging in the eyeball
10. according to the described LCD that has enlarging lens of claim 5 to 9, it is characterized in that: outside enlarging lens, coat or add the last layer anti-reflective layer to be reduced in the interference of imaging in the eyeball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01130120 CN1392442A (en) | 2001-12-26 | 2001-12-26 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01130120 CN1392442A (en) | 2001-12-26 | 2001-12-26 | Liquid crystal display |
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| CN1392442A true CN1392442A (en) | 2003-01-22 |
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| CN 01130120 Pending CN1392442A (en) | 2001-12-26 | 2001-12-26 | Liquid crystal display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103489374A (en) * | 2013-08-13 | 2014-01-01 | 江苏清投视讯科技有限公司 | Multi-screen spliced seamless display screen |
| CN105068598A (en) * | 2010-10-29 | 2015-11-18 | 苹果公司 | Portable computer |
| CN105549238A (en) * | 2016-03-01 | 2016-05-04 | 京东方科技集团股份有限公司 | Switchable peep-proof display device and backlight |
| CN109471260A (en) * | 2017-09-08 | 2019-03-15 | 塔普翊海（上海）智能科技有限公司 | Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method |
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2001
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| CN105068598A (en) * | 2010-10-29 | 2015-11-18 | 苹果公司 | Portable computer |
| US9372505B2 (en) | 2010-10-29 | 2016-06-21 | Apple Inc. | Displays with polarizer windows and opaque masking layers for electronic devices |
| US10571957B2 (en) | 2010-10-29 | 2020-02-25 | Apple Inc. | Displays with polarizer windows and opaque masking layers for electronic devices |
| US11188118B2 (en) | 2010-10-29 | 2021-11-30 | Apple Inc. | Displays with polarizer windows and opaque masking layers for electronic devices |
| CN103489374A (en) * | 2013-08-13 | 2014-01-01 | 江苏清投视讯科技有限公司 | Multi-screen spliced seamless display screen |
| CN105549238A (en) * | 2016-03-01 | 2016-05-04 | 京东方科技集团股份有限公司 | Switchable peep-proof display device and backlight |
| CN109471260A (en) * | 2017-09-08 | 2019-03-15 | 塔普翊海（上海）智能科技有限公司 | Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method |
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