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Confidential13 November 2015
TP Vision Innovation Site Europe - Sensor function team
Polymer light guides for slim sensor ...
Confidential
Idea
• Thinner TV sets puts severe pressure on the way optoelectronic sensors can be
integrated.
• Further se...
Confidential
Main
processing
board
(1) Sensor deco window, front finishing
(2) Sensor mechanical carrier (few parts for as...
Confidential
Main
processing
board with
Sensors
integrated
(1) Front fixation
(2) Flexible Light guide
(3) Light guide Int...
Confidential
Technological feasibility study relating to the micro-plastics
• The use of polymer light guides for sensor i...
Confidential
UGent CMST: Polymer waveguide fabrication
• Fabrication of polymer
waveguides and light
guides on rigid, flex...
Confidential
• Optical modelling and raytracing of coupling structures
to optimize light coupling between light guide and ...
Confidential
Sirris Microfabrication Application Lab
Mechanical design
Prototyping of mechanical
components
(+ cost model)...
Confidential
- Main Contribution
Mechanical design
Prototyping of mechanical
components
Direct machining of
optical compon...
Confidential
Sirris Microfabrication Application Lab
Mechanical design
Prototyping of mechanical
components
(+ cost model)...
Confidential
ISE TPVision Test set-up using the Light guide solution
Front vision light
guide through slit
90° bending lig...
Change2micro tp vision-13-11-2015
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Change2micro tp vision-13-11-2015

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Polymer light guides for slim sensor TV integration - presentation of TPVision during the Change2Micro event 'Innovation through polymer microtechnology'.

Publié dans : Technologie
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Change2micro tp vision-13-11-2015

  1. 1. Confidential13 November 2015 TP Vision Innovation Site Europe - Sensor function team Polymer light guides for slim sensor TV integration
  2. 2. Confidential Idea • Thinner TV sets puts severe pressure on the way optoelectronic sensors can be integrated. • Further sensor miniaturization and subsequent integration in the TV framework (bezel) will be an asset and creating opportunities for unique designs. • Therefor we developed an optical interface in the TV framework, that is connected by light guides to the main PCB, where the optoelectronic sensors are assembled in a more conventional way. The use of flexible light guides for combined sensor functions is unique within this consumer segment. • The solution has landing opportunity allowing for scalable solutions regardless of screen size or mechanical design into the full Philips TV product range.
  3. 3. Confidential Main processing board (1) Sensor deco window, front finishing (2) Sensor mechanical carrier (few parts for assembly) (3) Sensor board (4)(4’)(4’’) 2 connectors and Cable (3) Sensor board with sensors (2) Plastic sensor window dimensions (1) Sensor window Design front part TV SET (4’) Cable Example of a current architecture (4’’) Connector (4) Connector
  4. 4. Confidential Main processing board with Sensors integrated (1) Front fixation (2) Flexible Light guide (3) Light guide Interface TV SET (2) Light guide (1) Front fixation for the transparent Light guide window directly in contact with the environment (no assembly part or deco needed) (3) Interface Target architecture
  5. 5. Confidential Technological feasibility study relating to the micro-plastics • The use of polymer light guides for sensor integration in a TV set. – Integration requirements (TP Vision) • The light guides solution needs to combine 3 parts: – Polymer wave (light) guide (UGent CMST) – Polymer-based light coupling units (VUB B-Phot) – Mechanical moulds and components (Sirris) • The sensor functions should perform within the given specifications for TV. – Validation (TP Vision) • The light guide solution should fulfill the quality/requirement specification for TV. (TP Vision) • The solutions proposed should be within the cost budget. – All (Ongoing)
  6. 6. Confidential UGent CMST: Polymer waveguide fabrication • Fabrication of polymer waveguides and light guides on rigid, flexible and stretchable substrates • Laser technology for fast prototyping – E.g. cutting out polymer sheets with precise dimensions Rigid Flex Stretch
  7. 7. Confidential • Optical modelling and raytracing of coupling structures to optimize light coupling between light guide and transceiver • Fabrication in metal mould using Ultraprecision Diamond Tooling • Hot Embossing of optical microstructures in PMMA Ultraprecision Diamond tooling Hot Embossing Tigran Baghdasaryan Heidi Ottevaere VUB B-Phot: Polymer-based light coupling units
  8. 8. Confidential Sirris Microfabrication Application Lab Mechanical design Prototyping of mechanical components (+ cost model) Direct machining of optical components (+ associated metrology) CAD ressources StereolithographyMicro-milling
  9. 9. Confidential - Main Contribution Mechanical design Prototyping of mechanical components Direct machining of optical components (+ associated metrology) Stereolithography Main Facts & Figures Laser beam: 75 µm Layer thickness: 25-50 µm Wall thickness:  100µm Accuracy: +/- 100 µm
  10. 10. Confidential Sirris Microfabrication Application Lab Mechanical design Prototyping of mechanical components (+ cost model) (+ associated metrology) Micro-milling Main Facts & Figures Direct machining of optical components Minimum feature size: ~30 µm Surface quality (PMMA): - 0,2µm Ra (raw) - a few tens nm Ra (polished)
  11. 11. Confidential ISE TPVision Test set-up using the Light guide solution Front vision light guide through slit 90° bending light guide through slit Complete assembly light guide Electrical board Mechanical interface

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