Light Guide Film (LGF) ua tau zoo ib yam, txawm tias illumination rauhlau dome hloovcov rooj sib txoos-txawm nrog sab-mounted txoj cai- lub kaum sab xis LEDs thiab qhov chaw txwv ntawm luv-strokehlau dome khawmtsim-los ntawm kev sib xyaw ua ke ntawm qhov kho qhov muag physics, micro- engineering nto tsim thiab tsom lub teeb tshem tawm, txhua tus tsim kom tshem tawm cov hotspots thiab qhov chaw dim uas ua rau cov teeb pom kev zoo. Nws lub ntsiab mechanism leverages lub teeb propagation thiab tswj redirection, ua nws zoo tagnrho kho qhov muag tshuaj rausnap domeHloov cov vaj huam sib luag uas xav tau qhov ci ci tsis sib xws yam tsis muaj kev cuam tshuam tactile kev ua tau zoo.
Ntawm lub hauv paus ntawm LGF lub teeb pom kev zoo yog nws sivTotal Internal Reflection (TIR)kom nthuav tawm lub teeb zoo thoob plaws nws qhov chaw. LGF yog lub siab - transmittance optical zaj duab xis, thiab sab -mounted txoj cai- lub kaum sab xis LEDs emit lub teeb ncaj qha mus rau hauv zaj duab xis ntug- ntug no -fed lub teeb mus los ntawm cov zaj duab xis cov khoom yam tsis muaj kev khiav tawm, raws li lub teeb rays reflected rov qab cov zaj duab xis lub kaum sab xis ntawm lub kaum sab xis saum toj thiab hauv qab. Qhov no ua kom lub teeb sib npaug sib npaug thoob plaws LGF, los ntawm LED-mounted npoo rau txhua qhov chaw ua raws li covhlau dome khawmarray, tiv thaiv lub teeb poob thiab ua kom lub teeb pom kev zoo ib yam thoob plaws lub vaj huam sib luag hloov.
Cov qauv tsim tseem ceeb rau kev ci ntsa iab yog LGF'skev cai micro-structured nto, uas yog precision -engineered kom phim lub meej layout, qhov loj thiab cov duab ntawm lubhlau dome khawms ntawm lub rooj sib txoos hloov. Cov micro-cov qauv-cov prisms me me, dots, grooves los yog laser-etched qauv- tau muab tso rau hauv qhov chaw khawm nkaus xwb (thiab tsis tuaj ntawm qhov tsis yog - thaj chaw teeb pom kev zoo). Lawv cuam tshuam tag nrho cov kev xav sab hauv ntawm cov ntsiab lus tshwj xeeb no, rhuav tshem lub teeb rov qab rov qab xav dua thiab tshem tawm cov teeb pom kev sab hauv, ncaj qha mus rau saum npoo ntawm lub teeb.hlau dome hloovkhawm.
Qhov ceev thiab qhov loj ntawm cov micro-cov qauv no yogcalibrated nrog siab precisiontswj tus nqi ntawm lub teeb rho tawm ntawm txhua qhov chaw khawm. Cov cheeb tsam ze dua rau sab - cov LEDs (qhov twg lub teeb siv ntau dua ib txwm muaj) muaj cov qauv me me los sis sparser micro- cov qauv kom rho tawm lub teeb tsawg dua, thaum cov cheeb tsam nyob deb ntawm lub teeb siv loj dua lossis denser micro- cov qauv kom rho tawm ntau lub teeb. Qhov no calibrated lub teeb extraction sib npaug lub ntuj lub teeb gradient thoob plaws hauv zaj duab xis, ua kom txhua tushlau dome khawmthaj chaw tau txais cov teeb pom kev zoo tib yam - tshem tawm cov hotspots ci ntsa iab nyob ze ntawm LEDs thiab thaj chaw dim ntawm qhov kawg ntawm lub vaj huam sib luag hloov.
Thaum kawg, LGF cov khoom muaj pes tsawg leeg thiab nyias, tiaj daim ntawv zoo txhim khu lub teeb diffusion. Lub siab -zoo kho qhov muag PET lossis PMMA cov khoom ntawm LGF tawg lub teeb tawm me ntsis thaum nws nce mus rau sab saud, ua kom lub teeb pom kev zoo thiab ua kom tsis muaj teeb pom kev hnyav lossis qhov tsis sib xws ntawmsnap domehloov nto. Nws cov ultra-slim profile (feem ntau hauv qab 0.3mm) kuj tseem khaws lub teeb rho tawm ze rau ntawm qhov hloov pauv, txo qis qhov sib txawv ntawm lub teeb ua ntej nws mus txog.hlau dome khawms thiab khaws cia lub uniformity ntawm illumination rau cov neeg siv kawg.
Hauv cov ntsiab lus, LGF lub teeb pom kev zoo ib yam yog qhov tshwm sim ntawm kev sib koom ua ke ntawm cov teeb pom kev zoo los ntawm tag nrho cov kev xav sab hauv, precision- tsom teeb tshem tawm los ntawm kev cai micro- cov qauv, thiab ntsuas lub teeb sib npaug thoob plaws hauv zaj duab xis- txhua yam tsim los xa cov ci ci zoo ib yam rauhlau dome hloovpanels, txawm nyob rau hauv lub compact, luv luv -stroke designs qhov twg ncaj qha nyob rau hauv - khawm backlighting yog tsis yooj yim sua.