Interference‐filter‐based stereoscopic 3D LCD

Simon, Arnold; Prager, Marcel; Schwarz, Sebastian; Fritz, Markus; Jorke, Helmut

doi:10.1080/15980316.2010.9652114

Cited by 1 publication

(1 citation statement)

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“…Interference filter technique utilizes optical filter to pass only one or more specific wavelength bands and reflect the others, image separation is realized by wavelength difference. The advantages of interference filter technique for 3D display comparing to polarization technique include: nondepolarizing silver screens are not required [15]; image ghosting can be avoided; image resolution is maintained by using time sequential method even it is passive method [17]. Additional advantage is lower power consumption compared with polarization technique (when filters of glasses are well designed along with displayer, wavelength alignment) as polarizer only allows certain polarization light going through therefore reducing image brightness.…”

Section: Introductionmentioning

confidence: 99%

Investigation of TiO2 Thin Film Deposited by Microwave Plasma Assisted Sputtering and Its Application in 3D Glasses

Hao

Song

et al. 2018

Coatings

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TiO2 deposition using separate regions for sputtering and oxidation is not well investigated. We optimized process parameter for such as oxygen flow and microwave power to produce high quality TiO2 filters for Stereo/3D imaging applications. This deposition technique was chosen for its unique advantages: high deposition rates while increasing the probability of obtaining stoichiometric oxides, reduces possibility of target poisoning and provides better stability of process. Various characterization methods, such as scanning electron microscopy (SEM), atomic force microscopy (AFM), Raman, X-ray diffraction (XRD), transmission spectroscopy, were used in compliment to simulations for detailed analysis of deposited TiO2 thin films. Process parameters were optimized to achieve TiO2 films with low surface scattering and absorption for fabricating multi-passbands interference filter for 3D glasses. From observations and quantitative analysis of surfaces, it was seen that surface roughness increases while oxygen flow or microwave power increases. As the content of anatase phase also increases with higher microwave power and higher oxygen flow, the formation of anatase grains can cause higher surface roughness. Optical analysis of samples validates these trends and provided additional information for absorption trends. Optimized parameters for deposition process are then obtained and the final fabricated 3D glasses filters showed high match to design, within 0.5% range for thickness error.

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Section: Introductionmentioning

confidence: 99%