HOLOGRAPHIC IMAGE DISPLAY DEVICE

14-07-2017 дата публикации
Номер:
KR1020170082183A
Принадлежит:
Контакты:
Номер заявки: 00-16-102001025
Дата заявки: 05-01-2016

[1]

The present invention refers to a holographic Image display device are disclosed.

[2]

Holographic Image display device includes a holographic storage device such as a spatial location by imaging, similar to actual user a predetermined number under public affairs substrate.

[3]

In greatly analog and digital holography is divided into a substrate. Analog scheme is laser light such as coherent light (coherent light) light (object beam) (reference beam) separation and reference object, object object light incident on its optical recording material and rubber, to be incident on its optical recording material by reference may then, as a result and non-interference pattern reference light optical recording material comprises as follows. When the optical reference beam detector detects the optical recording material can be the same recovery holographic images.

[4]

The light interference pattern tranfectants record but mixes with high resolution, such as cost and size for digital holographic Image display device that is limited using thereof in etc. is inside.

[5]

A light recording material for digital holographic Image display device instead of light modulator (Spatial Light Modulator, SLM) host is not. An optical modulator according to input signal interference pattern between embodiment can be formed. The beam splitter splits the light interference pattern of holographic Image forming medium.

[6]

On this optical modulator comprises an integrated optical recording material compares the resolution when the door number point at the disclosed. For example, resolution of interference pattern is recorded optical recording material comprises a 1um hereinafter but, general method for enhancing the optical modulator has a pixel pitch (pixel pitch) to result from the interference pattern is recorded has a degree of resolution 10um calcium amount.

[7]

Light modulator over relatively because analog pixel, pixel pitch of the light passing through the throttle opening becomes smaller diffraction jr sergeant and, as a result user holographic an Image are formed on the narrowed angle is equal to. The, in holographic Image display device including optical modulator, the PUK number wide view angle under public affairs user needs disclosed.

[8]

If the specific number of electro wetting techniques is a prism or a reversed F. number under public affairs holographic Image display device having wide view angle.

[9]

In the embodiment according to the display device is, point light source (back light); adjusting said light optical path including a plurality of electrowetting prism (electrowetting prism) optical path adjuster; and at least one of a plurality of pixels including light modulator modulating said light amplitude and phase (spatial light modulator) without using a tool.

[10]

Said controller includes an optical path which is located between said backlight and said light modulator, light emitted from the backlight to adjust water content and said optical path, said optical path having at least one of amplitude and phase adjusted said optical modulator comprising a light modulation be.

[11]

Said light modulator comprises an optical path which is located between said backlight and said regulator, said regulator said optical path adjusting light emitted path can be modulated by an optical modulator.

[12]

Each said electrode and an interface (interface determining material) and a plurality of electrowetting prism crystalline material, said voltage applied to said electrode interface crystal material can be changed according to the hole.

[13]

Said plurality of electrowetting prism from a backlight through a specific angle and said first and second prism sheets said refracting interface crystalline material, said crystalline material interface can be said interface corresponds to a specific angle.

[14]

Each said plurality of electrowetting prism number 1 number 1 and number 2 orthogonal to the direction of the light incident direction opposite said number 1 and number 2 number 3 and number 4 and said light out of orthogonal direction opposite direction can be electrode.

[15]

When said number 1 of light incident said direction change the rotation angle, said number 1 and number 2 different electrode be capable of applying a voltage.

[16]

Said holographic Image display device is to change the rotation angle of said number 1 direction said number 1 can be first and second substrates.

[17]

Said holographic Image display device has a light incident said number 2 when said direction change the rotation angle, said number 3 and number 4 different electrode be capable of applying a voltage.

[18]

Said holographic Image display device is to change the rotation angle of said number 2 direction said number 2 can be first and second substrates.

[19]

Said holographic Image display device is at least one of said number 1 direction angle and said number 2 to change the direction angle to decrease a distance between said holographic Image holographic Image display device can be.

[20]

In the embodiment according to the holographic Image display device notifies wet prism may have wide view angle.

[21]

In the embodiment according to the holographic Image display device 1a also has to account for a drawing are disclosed. In the embodiment according to holographic Image display device to account for a drawing other 1b also are disclosed. 2a and 2b also includes a drawing to explain the applied voltage according to the electrowetting prism are disclosed. 3a and 3b electro wetting prism 2a and 2b also has also shown III a-III ' cross-sectional drawing along the first 16 are disclosed. 4a and 4b 2a and 2b also has also shown in electrowetting prism IV a-IV ' cross-sectional drawing along the first 16 are disclosed.

[22]

Hereinafter, with reference to a person with skill in the art for drawing objects in the embodiment to embodiment in various art is hereinafter for the detailed as follows. In the embodiment is embodied in the form of several different can be taught herein is not limited to that in the embodiment.

[23]

When the dispensed portion that is independent to explain clearly in the embodiment described, are identical in specification area to a drawing code attached to diffuse to the same or similar component. The drawing of the components used in previous drawing code can be use in the next drawing.

[24]

In addition, wherein the arbitrarily for facilitating description size and thickness of each configuration exhibited drawing representing, not limited to the present invention are not necessarily shown. Drawing the different layers in thickness and size and apparatus shown in order to unambiguously and the region.

[25]

In the embodiment according to the holographic Image display device 1a also has to account for a drawing are disclosed.

[26]

The 1a also refers, in the embodiment according to the holographic Image display device (1a) back-light (10), optical path regulator (20) and optical modulator (30) having a predetermined wavelength.

[27]

Backlight (back light) (10) emits a light. Backlight (10) includes a laser (Laser) and light source, laser length disclosed. Other as in the embodiment, backlight (10) includes LED (Light Emitting Diode) light source disapproval. Backlight (10) when the LED light source is a light source, a backlight (10) is formed between a spatial filter for improving spatial coherent (spatial coherence) (spatial filter) or pinholes (pin hole) can be further.

[28]

Optical path regulator (20) comprises a plurality of electrowetting prism (electrowetting prism) of the light passing through the optical path adjusting comprises (EWP1, EWP2, EWP3, ..). The electrowetting prism) (EWP1, EWP2, EWP3, ..) for the specific structure 2a to 4b also carry detailed reference etched. Matrix (matrix) is a plurality of electrowetting prism (EWP1, EWP2, EWP3, ..) can be arranged. A plurality of electrowetting prism (EWP1, EWP2, EWP3, ..) each size light modulator (30) (PX1, PX2, PX3, ..) pixel may be bigger than the size of each.

[29]

In the in the embodiment, optical path adjuster (20) back-light (10) optical modulator (30) of which is located between the, backlight (10) light emitted from the optical path adjusting substrate.

[30]

Light modulator (Spatial Light Modulator, SLM) (30) includes at least one of amplitude and phase of the light passing through (PX1, PX2, PX3, ..) modulating a plurality of pixels having a predetermined wavelength. (PX1, PX2, PX3, ..) includes a plurality of pixels arranged in a matrix can be.

[31]

In the embodiment as a, (PX1, PX2, PX3, ..) a plurality of pixels each pixel electrode, the liquid crystal layer is interposed between the counter electrode and can be driven. Driven by electric field formed by a core part with a TFT may be altered and, at least one of amplitude and phase of the light passing through a liquid crystal array of liquid crystal layer can be modulated.

[32]

In hereinafter, backlight (10) (R1, R2, R3) using the reflective groove forming a holographic Image (HI) are described as follows. Holographic Image display device (1a) horizontal viewing of each ( ) To explain the optical (R1, R2) which comprises, vertical viewing angle ( ) To explain the optical (R2, R3) for plural times. (R1) (R3) refraction angle of light refraction angle in the horizontal direction and vertical direction of description is given of a dispensed to each other.

[33]

Backlight (10) (R1) as it passes through the light emitted from the electrowetting prism (EWP1) horizontal and vertical direction along the refractive index of the angle electrowetting prism (EWP1) are refractive. The optical path of light (R1) includes an electrowetting prism (EWP1) (- x) angle to the horizontal along the refractive index of the angle ( ) Altered by.

[34]

The electrowetting prism (EWP1) (R1) of a light optical modulator (30) to pixel (PX1) light-emitting surface. (PX1) (R1) pixel by pixel according to angle of light in diffraction angle ( ) By horizontal (- x) can be modified. The optical (R1) optical modulator (30) number of at least one of amplitude and phase by an opposite side can be modulated.

[35]

The electrowetting prism (EWP2) light (R2) as it passes through the horizontal and vertical direction in accordance with the refractive index of the angle electrowetting prism (EWP2) are refractive. The light in the horizontal direction (R2) in the embodiment (x) angle ( ) Is refracted by, (- y) angle to the vertical direction ( ) By the deflected substrate.

[36]

Light passing through the light modulator electrowetting prism (EWP2) (R2) (30) (PX2) pixels of the light-emitting surface. (R2) (PX2) pixel by pixel according to angle of light in diffraction angle ( ) By horizontal (x) incident on, angle ( ) Vertical direction by (- y) can be modified. The optical (R2) optical modulator (30) number of at least one of amplitude and phase by an opposite side can be modulated.

[37]

The electrowetting prism (EWP3) light (R3) as it passes through the horizontal and vertical direction in accordance with the refractive index of the angle electrowetting prism (EWP3) are refractive. The optical (R3) (y) angle to the vertical direction in the embodiment ( ) By the deflected substrate.

[38]

Light passing through the light modulator electrowetting prism (EWP3) (R3) (30) (PX3) pixels of the light-emitting surface. (R3) (PX3) pixel by pixel according to angle of light in diffraction angle ( ) By vertical direction (y) can be modified. The optical (R3) optical modulator (30) number of at least one of amplitude and phase by an opposite side can be modulated.

[39]

A plurality of light (R1, R2, R3) intersect each other at a particular, interference effect by holographic Image (HI) is controlled to adjust the other. (R1, R2, R3) been light wherein the viewing angle direction is holographic Image (HI) can be determined. I.e., horizontal viewing each ( ) And vertical viewing angle ( ) Clear user within holographic Image (HI) can order disclosed.

[40]

As shown, horizontal viewing each ( ) Optical (R1) the contributions made by angle ( ) And optical (R2) the contributions made by angle ( ) Is the sum of. Angle ( ) Notifies (EWP1) contribute through wet prism angle ( ) And pixel (PX1) contribute through angle ( ) Is the sum of. In addition, angle ( ) Notifies (EWP2) contribute through wet prism angle ( ) And pixel (PX2) contribute through angle ( ) Is the sum of.

[41]

In addition vertical viewing angle ( ) Optical (R2) the contributions made by angle ( ) And optical (R3) the contributions made by angle ( ) Is the sum of. Angle ( ) Notifies (EWP2) contribute through wet prism angle ( ) And pixel (PX2) contribute through angle ( ) Is the sum of. In addition, angle ( ) Notifies (EWP3) contribute through wet prism angle ( ) And pixel (PX3) contribute through angle ( ) Is the sum of.

[42]

I.e., in the embodiment according to the holographic Image display device (1a) a light path regulator (20) by including, horizontal viewing each ( ) Angle a ( ) And angle ( ) By the sum of increase, vertical viewing angle ( ) Angle a ( ) And angle ( ) With respect to the sum of the increased by. If a wide horizontal viewing each ( ) And vertical viewing angle ( ) In which the felt like through holographic Image...copyright 2001.

[43]

In addition horizontal viewing each ( ) And vertical viewing angle ( ) That a wide variety of holographic Image display device (1a) to form a holographic Image (HI) on more electrically connected to the switched to each other. I.e., holographic Image display device (1a) on holographic Image (HI) (d1) can be equal to or less than the distance between the reducing. Reduction in distance (d1), mobile device user in relatively close even holographic Image display device (1a) equal to or higher than the second.

[44]

In the embodiment according to holographic Image display device to account for a drawing other 1b also are disclosed.

[45]

The other reference holographic Image display device in the embodiment according to also 1b (1b) back-light (10), light modulator (30) and optical path adjuster (20) having a predetermined wavelength.

[46]

Holographic Image display device (1b) is also 1a holographic Image display device (1a) and the other end point is light modulator (30) optical path adjuster (20) point some possible arrangements of the interchanged are disclosed.

[47]

In the in the embodiment, light modulator (30) back-light (10) optical path regulator (20) which is located between the, optical path adjuster (20) light has a light modulator (30) light emitted path modulated by adjusting substrate.

[48]

Light modulator (30) optical path adjuster (20) based on the function even is interchanged, pixel (PX) horizontal viewing angle and vertical viewing angle diffracted by the electrowetting angle plus the angle of refracted through the prism (EWP) red, holographic Image display device (1b) 1a may have the same effect in the embodiment of is also similar.

[49]

Holographic Image display device (1b) 1a also operation of the holographic reconstruction of Image display device (1a) is similar to a, description dispensed to each other.

[50]

2a and 2b also includes a drawing to explain the state of applied voltage according to the electrowetting prism are disclosed. The unlicensed when voltage is also 2a electro wetting prism (EWP2) shown and, when the applied voltage is also 2b of electro wetting prism (EWP2) shown substrate.

[51]

3a and 3b electro wetting prism 2a and 2b also has also shown III a-III ' cross-sectional drawing along the first 16 are disclosed. Hereinafter also in 2a, 2b, 3a and 3b (R2) with reference to the horizontal angle (x) light transmissivity ( ) Is described as follows.

[52]

The 2a and 3a also reference, the number 1 in the embodiment according to the electrowetting prism (EWP2) dielectric sidewall (110), number 1 electrode (310), number 2 dielectric sidewall (120), number 2 electrode (320), upper substrate (210), dielectric lower wall (220), crystalline material interface (interface determining material) (410) comprises. Determining an auxiliary of such electrowetting prism (EWP2) (420) further comprises selectively can be.

[53]

Number 1 dielectric sidewall (110) is provided in the electrode number 1 (310) comprises. Number 1 dielectric sidewall (110) of such crystalline material (410) number 1 from electrode (310) insulating oxide layer.

[54]

Number 2 dielectric sidewall (120) is provided with a number 2 electrode (320) comprises. Number 2 dielectric sidewall (120) of such crystalline material (410) number 2 from electrode (320) insulating oxide layer.

[55]

In the in the embodiment, number 1 and number 2 dielectric sidewall (110, 120) are made of a hydrophobic dielectric (hydrophobic dielectric) implementation being. Number 1 and number 2 dielectric sidewall (110, 120) hydrophobic dielectric or hydrophilic dielectric (hydrophilic dielectric) composed of a material having crystalline material which are either hidden (410) determined according to the nature of.

[56]

In the embodiment the ware in crystalline material (410) hydrophilic solution assumed as follows. For example, crystalline material interface (410) is surface-active agents (surfactants) number, glycol (glycols), salt (salts) or an aqueous solution obtained by other ingredients can be added. Interface crystalline material (410) by adding an auxiliary interface determining such other ingredients (420) with surface tension, electric conductivity can be the value.

[57]

Interface crystalline material (410) is number 1 electrode (310) and number 2 electrode (320) of the applying voltage interface according altered shape and angle.

[58]

Determining an auxiliary interface (420) engagement with water properties of such crystalline material (410) engagement with opposite properties can be water. The crystalline material in interface in the embodiment (410) is a hydrophilic solution, determining an auxiliary interface (420) can be a hydrophobic liquid. Determining an auxiliary interface (420) refractive index (refractive index) of such crystalline material (410) can be greater than the refractive index of.

[59]

Dielectric lower wall (220) and the top substrate (210) of such crystalline material (410) determining an auxiliary water-proofing (420) not (leak) and moved along the sealing (sealing) as follows.

[60]

Dielectric lower wall (220) the number 1 and number 2 dielectric sidewall (110, 120) configuration material can be the same. Upper substrate (210) of material is glass, plastic or the like can be. In a in the embodiment, a lower electrode or a dielectric lower wall can be. In other in the embodiment, the top substrate or a upper electrode can be.

[61]

2a and 3a also point in, number 1 electrode (310) and number 2 electrode (320) separate voltage is prevented from being applied to the a state of exhaustion. The, hydrophobic liquid in an auxiliary interface determining (420) number 1 and number 2 hydrophobic dielectric dielectric sidewall (110, 120) symmetrically along brake disclosed. The optical (R2 ') can be relatively flat (flat) interface through the substrate without substantially refracted s7. (z) direction so that the straight.

[62]

2b and 3b also point in, number 1 electrode (310) applied high voltage, electrode number 2 (320) relatively low voltage is applied, the crystalline material interface (410) resulting when an electric field is applied. Interface crystalline material (410) on the principle number 1 along the electrode (310) and the direction, crystalline material interface (410) and an auxiliary interface determining (420) the interface between the altered shape and angle. The, optical (R2) of such crystalline material (410) and an auxiliary interface determining (420) based on the refractive index of water-angle horizontally (x) angle ( ) By the deflected substrate. The high voltage is applied glass in the embodiment surfactant crystalline material (410) but moving, in other low voltage applied glass crystalline material from being moved in the embodiment surfactant disapproval. The interface can be other material of crystalline material.

[63]

4a and 4b 2a and 2b also has also shown in electrowetting prism IV a-IV ' cross-sectional drawing along the first 16 are disclosed. Hereinafter also in 2a, 2b, 4a and 4b with reference to the vertical direction (R2) (- y) angle light transmissivity ( ) Is described as follows.

[64]

The reference also 2a and 4a, the number 3 in the embodiment according to the electrowetting prism (EWP2) dielectric sidewall (130), number 3 electrode (330), number 4 dielectric sidewall (140) and number 4 electrode (340) results are. Upper substrate (210), dielectric lower wall (220), interface crystalline material (410) determining an auxiliary water-proofing (420) is also 2a and 3a and therefore the explanation with reference to the pulverized product does not.

[65]

Number 3 dielectric sidewall (130) is provided with a number 3 electrode (330) comprises. Number 3 dielectric sidewall (130) of such crystalline material (410) number 3 from electrode (330) insulating oxide layer.

[66]

Number 4 dielectric sidewall (140) is provided with a number 4 electrode (340) comprises. Number 4 dielectric sidewall (140) of such crystalline material (410) number 4 from electrode (340) insulating oxide layer.

[67]

Number 3 and number 4 dielectric sidewall (130, 140) is number 1 and number 2 dielectric sidewall (110, 120) can be the same construction as the material. Thus, the in in the embodiment, number 3 and number 4 dielectric sidewall (130, 140) can be a hydrophobic dielectric.

[68]

Also in point 4a and 2a, number 3 electrode (330) and number 4 electrode (340) a separate voltage the unlicensed a state of exhaustion. The, hydrophobic liquid in an auxiliary interface determining (420) number 3 and number 4 hydrophobic dielectric dielectric sidewall (130, 140) symmetrically along brake disclosed. The interface can be relatively flat to permit passage of light (R2 ') that is substantially straight and without the deflected direction (z) s7.

[69]

2b and 4b also point in, number 3 electrode (330) applied high voltage, electrode number 4 (340) applied to a relatively low voltage, the crystalline material interface (410) resulting when an electric field is applied. Interface crystalline material (410) on the principle number 3 along the electrode (330) and the direction, crystalline material interface (410) and an auxiliary interface determining (420) the interface between the altered shape and angle. The, optical (R2) of such crystalline material (410) and an auxiliary interface determining (420) (- y) angle to the angle and an interface based on the refractive index of a vertically ( ) By the deflected substrate.

[70]

The configuration of the above-mentioned prism of electro wetting (EWP2), which description is given of an exemplary optical path change for retransmission, electrowetting (electrowetting) to transform a light path using the principle of optical path including regulator includes a holographic Image display device, of the present invention can be region included in holographic Image display device.

[71]

In addition in a in the embodiment, holographic Image display device can be further comprises user viewpoint chasing. User identifying a viewpoint position can be user point tracker, holographic Image display device according to a viewpoint position of user holographic Image is formed can be changing the position and viewing angle. If a user point of view horizontal movement or vertical movement even if the holographic Image can be by tracking a position of the imaging.

[72]

In another in the embodiment, of the present invention the plurality of electrowetting prism angle of each optical path regulator 3D mode 2D mode can be differently adjust.

[73]

Detailed description of the invention and the substrate of the present invention referenced on the drawing only exemplary heretofore provided, this only to explain the present invention for the purpose of limiting of the present invention claim meaning isn't it used in a number range for valve timing used are not correct. The art therefrom if various deformation and equally in the embodiment is enabling other person with skill in the art will understand. The, technical idea of the present invention defined by appended claim of true technology protection range generated by the will.

[74]

1a, 1b: holographic Image display device 10: backlight 20: optical path regulator 30: light modulator 410: interface crystalline material



[1]

The present invention relates to a holographic image display device which comprises: a back light for emitting light; an optical path adjuster including a plurality of electrowetting prisms for adjusting an optical path of the light; and a spatial light modulator including a plurality of pixels for modulating at least one of an amplitude and a phase of the light. By using the electrowetting prism, the holographic image display device has a wide viewing angle.

[2]

COPYRIGHT KIPO 2017

[3]



Point light source (back light); adjusting said light optical path including a plurality of electrowetting prism (electrowetting prism) optical path regulator; and said at least one of amplitude and phase light modulating device including a plurality of pixels including light modulator (spatial light modulator) holographic Image display.

According to Claim 1, which is located between said regulator and said light modulator optical path said backlight, light emitted from the optical path to adjust water content and said light, said light modulator, said adjusted optical path having at least one holographic Image display device modulating light amplitude and phase.

According to Claim 1, said optical modulator comprising a backlight which is located between the regulator and said said optical path, said optical path adjusting light emitted path modulated by an optical modulator said regulator, holographic Image display device.

According to Claim 1, each said plurality of electrowetting prism electrode and an interface (interface determining material) and crystalline material, said voltage applied to said electrode interface crystal material according hole change, holographic Image display device.

According to Claim 4, said plurality of electrowetting prism from a backlight through a specific angle and said first and second prism sheets said refracting interface crystalline material, said crystalline material interface said specific angle interface corresponding to the shape, holographic Image display device.

According to Claim 5, each said plurality of electrowetting prism number 1 number 1 and number 2 orthogonal to the direction of the light incident direction opposite said number 1 and number 2 number 3 and number 4 and said light out of orthogonal direction opposite direction including electrode, holographic Image display device.

According to Claim 6, light incident said number 1 when said direction change the rotation angle, the voltage of the first electrode said number 1 and number 2 different, holographic Image display device.

According to Claim 7, said number 1 direction to change the rotation angle of said number 1 it makes, yes fick Image display device first and second substrates.

According to Claim 8, light incident said number 2 when said direction change the rotation angle, the voltage of the first electrode said number 3 and number 4 different, holographic Image display device.

According to Claim 9, said number 2 direction to change the rotation angle of said number 2 it makes, yes fick Image display device first and second substrates.

According to Claim 10, at least one of said number 1 and number 2 direction angle to change the distance between said holographic Image holographic Image display device reduced it makes, yes fick Image display device.