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1. WO2019038559 - DISPLAY

Publication Number WO/2019/038559
Publication Date 28.02.2019
International Application No. PCT/GB2018/052409
International Filing Date 24.08.2018
IPC
G02F 1/01 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour
G02F 1/19 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour
19based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015-G02F1/169140
CPC
G02B 5/008
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
008Surface plasmon devices
G02F 1/0147
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
0147based on thermo-optic effects
G02F 1/1365
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
1362Active matrix addressed cells
1365in which the switching element is a two-electrode device
G02F 1/19
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
19based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
G02F 2203/10
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
2203Function characteristic
10plasmon
G02F 2203/15
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
2203Function characteristic
15involving resonance effects, e.g. resonantly enhanced interaction
Applicants
  • UNIVERSITY OF EXETER [GB]/[GB]
Inventors
  • CARRILLO, Santiago Garcia-Cuevas
  • WRIGHT, David
Agents
  • SOMERVELL, Thomas
Priority Data
1713586.424.08.2017GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DISPLAY
(FR) DISPOSITIF D'AFFICHAGE
Abstract
(EN)
A display is described which comprisesa plurality of pixels (12), wherein each pixel (12) comprises a plasmonic resonator (26) including first and second metallic material elements (16, 22) and incorporatinga layer (18) of a phase change material, the plasmonic resonator (26) being arranged such that in one material state of the phase change material (18) the electric field coupling between the second metallic material element (22) and the phase change material layer (18) is strong and so strong absorption of selected wavelengths of the incident light occurs, whereas in another state of the phase change material (18) the electric field coupling between the metallic material elements (16, 22) and the phase change material layer (18), and between the first and second metallic material elements (16, 22) is weak and so re-radiation of incident light occurs, the pixel (12) being of high reflectance.
(FR)
Dispositif d'affichage qui comprend une pluralité de pixels (12), chaque pixel (12) comprenant un résonateur plasmonique (26) comprenant des premier et second éléments de matériau métallique (16, 22) et une couche d'incorporation (18) d'un matériau à changement de phase, le résonateur plasmonique (26) étant conçu de telle sorte que, dans un premier état de matériau du matériau à changement de phase (18), le couplage par champ électrique entre le second élément de matériau métallique (22) et la couche de matériau à changement de phase (18) est fort et ainsi une forte absorption de longueurs d'onde sélectionnées de la lumière incidente se produit, tandis que dans un autre état du matériau à changement de phase (18), le couplage par champ électrique entre les éléments de matériau métallique (16, 22) et la couche de matériau à changement de phase (18), et entre les premier et second éléments de matériau métallique (16, 22) est faible et ainsi un re-rayonnement de lumière incidente se produit, le pixel (12) étant à pouvoir de réflexion élevé.
Also published as
Latest bibliographic data on file with the International Bureau