JPWO2019180676A5

JPWO2019180676A5 -

Info

Publication number: JPWO2019180676A5
Application number: JP2020550661A
Authority: JP
Publication date: 2022-03-17
Anticipated expiration: 2039-03-22

Claims

A light guide medium configured for light propagation and
It comprises at least one optical functional layer having at least one optical functional feature pattern formed in the translucent carrier medium by a plurality of embedded features provided as optical functional internal cavities . It ’s a transparent optical device .
The at least one feature pattern establishes a predetermined incoupling light distribution in the pattern and / or the refractive index of the material and element provided at the interface within and between the optical devices. Is configured to perform incident light control and at least optical outcoupling by modifying the transparent optical device, which minimizes stray light and establishes the optical transparency of the device. vinegar.

The optical function (s) of the optical functional layer is established by at least one of the dimensions, shape, periodicity and arrangement of the cavity within the feature pattern and the fill factor value of the feature pattern. The transparent optical device according to claim 1.

The cavity in the at least one feature pattern comprises an incident surface and an exit surface, the incident surface incoupling incident light arriving there and directing light into the cavity and the exit surface . The exit surface is configured to guide towards , by receiving light rays arriving there and transmitting the light rays out of the cavity and into the translucent carrier medium . The transparent optical device according to any one of claims 1 or 2, which is configured to propagate and / or outcouple.

The transparent optical device according to any one of the above claims, wherein the emission surface is configured to transmit light at least by a refraction function.

The incident surface is configured to in-coupling the light that reaches it in a predetermined incident angle or incident angle range that is smaller than the critical angle with respect to the surface normal, thereby causing Fresnel reflections to outcoupling. The transparent optical device according to any one of the above claims, which is avoided.

The incident surface is further configured to incoupulate the light arriving there by the collimation function and guide the light rays into the cavity, so that the light hits a surface other than the emitting surface . The transparent optical device according to any one of the above claims, which propagates in the cavity while avoiding the above.

Claim 1 or 2 wherein the cavity of the at least one feature pattern is configured to outcouple incident light reaching the incident surface via internal total internal reflection (TIR) function. The transparent optical device according to any one of the above items.

The transparent optical device according to any one of the above claims, wherein the cavity in the at least one feature pattern comprises an antireflection layer disposed on the incident surface inside the cavity.

The transparent optical device according to any one of the above claims, wherein the cavity in the at least one feature pattern further comprises an antireflection layer disposed on the exit surface inside the cavity.

The transparent optical device according to any one of the above claims, wherein the cavity is filled with a gas medium, preferably air.

The transparent optical device according to any one of the above claims, wherein in the feature portion pattern, the embedded cavity feature portions are arranged alternately with a plurality of related optical passages .

The translucent carrier medium due to a laminated structure in which the embedded feature pattern is formed by a completely flat and planar layer of the carrier medium disposed with respect to the patterned layer of the carrier medium. The transparent optical device according to any one of the above claims, wherein a plurality of optical functional internal cavities are formed in the body at the interface between the layers .

The transparent optical device according to claim 12, further comprising an antireflection layer arranged at an interface between layers formed by the translucent carrier medium.

The embedded optical cavity feature is selected from the group consisting of grooves, recesses, dots, and pixels, and the cavity feature is a transverse profile selected from binary, blaze, tilt, prism, trapezoidal, hemispherical, and other profiles. The transparent optical device according to any one of the above claims, wherein the characteristic portion has a shape in a length direction selected from linear, curved, wavy, sinusoidal and the like.

The transparency according to any one of the above claims, wherein the at least one feature pattern is a hybrid pattern comprising a plurality of discrete feature profiles and / or a plurality of at least partially continuous feature profiles. Optical device.

The transparent optical device according to any one of the preceding claims, wherein the at least one feature pattern is fully integrated and / or embedded in the translucent carrier medium .

The transparent optical device further comprises at least one antireflection layer disposed on the optical functional layer , whereby the feature pattern is the reflection in terms of its optical function (s). The transparent optical device according to any one of the above claims, which is configured to avoid Fresnel reflection in cooperation with the prevention layer .

17. The transparent optical device according to claim 17, wherein the antireflection layer includes a polarizing element.

The transparent optical device according to any one of the above claims, wherein the light guide medium and the optical functional layer are an optical polymer and / or glass.

Further comprising at least one optical filter layer disposed on at least one surface of the light guide medium and endowed with at least one optical function over its entire surface coverage or in a predetermined area, wherein the optical filter layer. The transparent optical device according to any one of the above claims, wherein the at least one optical function is selected from reflection, transmission, polarization, and refraction, at least with respect to the material from which it is formed.

The optical filter layer is formed of a substrate having a refractive index lower than the refractive index of the material constituting the optical functional layer , preferably lower than the refractive index of the material constituting the light guide medium . The transparent optical device according to any one of the above claims.

The transparent optical device according to any one of the above claims, wherein the optical filter layer is a clad, a coating, or a film.

The transparent optical device according to any one of the above claims, wherein the optical filter layer is configured as a reflective internal total internal reflection layer structure.

The transparent optical device according to any one of the above claims, wherein the optical filter layer is arranged on both surfaces of the light guide medium .

The transparent optical device according to any one of the above claims, wherein the optical filter layer is arranged between the light guide medium and the optical functional layer .

The optical filter layer comprises a plurality of optical openings for allowing light transmission, the openings being arranged within predetermined positions of the optical filter layer or the surface of the optical filter layer. The transparent optical device according to any one of the above claims, extending along and / or across it.

The transparent optical device according to any one of the above claims, further comprising an optical contact layer configured to establish an optical junction with at least a portion of the illuminated surface .

The transparent optical device according to any one of the above claims, wherein the optical contact layer is a uniform layer optionally having at least one feature portion pattern including a plurality of optical functional feature portions.

The transparent optical device according to any one of the above claims, wherein the optical contact layer is configured to establish a non-permanent optical engagement with the illuminated surface .

The transparent optical device according to any one of claims 1 to 28, wherein the optical contact layer is configured to establish a permanent connection with the illumination surface .

Any of the above claims further comprising at least one light source selected from light emitting diodes (LEDs), organic light emitting diodes (OLEDs), laser diodes, LED bars, OLED strips, microchip LED strips, and cold cathode fluorescent lamps. The transparent optical device described in.

The transparent optical device according to any one of the above claims, wherein optical transparency is established in the presence and absence of illumination obtained from the at least one light source .

The transparent optical device according to any one of the above claims, which is configured as a front light illuminator or a backlight illuminator.

A light guide medium configured for light propagation and
Optics, which is disposed on at least one surface of the light guide medium and is provided with at least one optical function established in the entire surface coverage or a predetermined area by a material on which at least the optical filter layer is formed. With the filter layer ,
It is a transparent optical device equipped with
The optical filter layer is a continuous layer made of a material having a refractive index lower than the refractive index of the material constituting the light guide medium.
The optical filter layer is configured to minimize the scattering of light rays propagating through the transparent optical device by at least one optical function selected from reflection, transmission, polarization, and refraction. ..

The optical filter layer comprises a plurality of optical openings for allowing light transmission, the openings being arranged within predetermined positions of the optical filter layer or the surface of the optical filter layer. The transparent optical device of claim 34, extending along and / or across it.

A light guide medium configured for light propagation and
At least one optical functional feature pattern formed in the translucent carrier medium by a plurality of embedded features provided as optical functional internal cavities to perform at least the optical out-coupling function. With at least one optical functional layer having at least one feature pattern configured as such:
An optical contact layer configured to establish a non-permanent, reopenable optical engagement with the illuminated surface ,
A transparent optical device for front light lighting.

A transparent illuminated object comprising the transparent optical device according to any one of claims 1 to 36.

Configured as window, facade lighting and / or display elements, ceiling lighting and / or display elements, signage, signs, posters, marketing boards, advertising board lighting and / or display elements, and lighting elements configured for solar applications. The transparent illuminated object according to claim 37.

Selected from the group consisting of public and general lighting, including decorative lighting, light shields and masks, windows, facades and ceiling lighting, signage, signs, posters, marketing boards and / or advertising board lighting and displays, and solar applications. Use of the transparent optical device according to any one of claims 1 to 36 in lighting and display.