Angular profile shaping film for lcd backlight with large viewing direction

Ssu Tuan Huang, Cheng Ta Mu, Yen Yu Chou, Guu Huann Liu, Cheng Huan Chen

Research output: Contribution to journalConference articlepeer-review


An approach of designing microstructure film to direct the majority of light energy toward large angular direction has been proposed. For an incident illumination concentrated within an angular range of 25o, the peak of the angular profile has reached 47 for the outgoing light, with an overall efficiency of 67%.

Original languageEnglish
Pages (from-to)1642-1644
Number of pages3
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - 2020
Event57th SID International Symposium, Seminar and Exhibition, Display Week, 2020 - Virtual, Online
Duration: 3 Aug 20207 Aug 2020


  • Backlight unit
  • Function film
  • Vehicle display


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