Page 77 - Tokai Catalog 2024/2025

Blue Cut Coating (BCC/TBC)

8IBU JT UIF #MVF DPMPS MJHIU PG EJHJUBM EFWJTFT XIJDI JT TBJE UP CF UIF DBVTF PG HMBSFT qJDLFST
CMVF MJHIUT
5IF TIPSUFS UIF XBWF MFOHUI PG UIF MJHIU JT UIF NPSF FOFSHZ JU IBT 5IF MJHIUT XJUI TIPSUFS XBWF MFOHUI MJLF VMUSBWJPMFU SBZT BSF TBJE UP DBVTF EBNBHF UP UIF FZFT

01 #MVF DPMPS MJHIU XIJDI IBT TUSPOH FOFSHZ 03 /VNFSPVT #MVF DPMPS MJHIU JO PVS EBJMZ MJGF
#MVF DPMPS MJHIU BSF MJHIUT JO UIF SBOHF PG WJTJCMF SBZT XJUI IJHI GSFRVFODZ *O PVS EBJMZ MJGF XF BSF DPWFSFE XJUI CSJHIU MJHIUT TVDI BT 57 1$ NPOJUPST
5IFZ BSF MJHIUT JO CFUXFFO ON UP ON WJPMFU UP CMVF MJHIUT BOE -&% MJHIUJOH
5IFZ BSF XPSSJFE UIBU UIFZ NBZ DBVTF EBNBHF UP UIF FZFT TJODF UIFZ IBWF .BOZ PG UIFTF MJHIUT FNJU B MPU PG #MVF DPMPS MJHIU UP FNQIBTJT UIF CSJHIUOFTT
WFSZ TIPSU XBWF MFOHUI MJLF BT VMUSBWJPMFU SBZT
Standard LED lighting
Standard florescent light
LED lighting emits
6MUSBWJPMFU SBZT *OGSBSFE SBZT a lot of "Blue color light".
Florescent lights emits
very high level of lights
at a certain wave part.
02 #MVF DPMPS MJHIU IBT DIBSBDUFSJTUJDT UP EJTQFSTF
5IF #MVF DPMPS MJHIU XIJDI IBWF TIPSU XBWF MFOHUI IBWF UIF DIBSBDUFSJTUJDT #MVF DPMPS MJHIU Wave length (nm)
UP EJTQFSTF EVF UP UIBU UIFZ IBWF IJHIFS QPTTJCJMJUZ UP IJU UP QBSUJDMFT EVTU
BOE NPJTUVSF JO UIF BJS
5IJT DIBSBDUFSJTUJDT NBLFT #MVF MJHIU XBWFT UP HMBSF BOE qJDLT NBLJOH Standard LED monitors
UIF PVUMJOF PG JNBHFT VODMFBS Standard cathode-ray tube TV emits
LED monitors have
very high level of "Blue color light"
Short length Cathode-ray tube TV
of wave emits very high level of lights
(Blue light) at certain wave parts.
Long length
of wave
(Red light)
Dust and moisture
in the air Direction of light
#MVF DPMPS MJHIU Wave length (nm)

)PX UIF #MVF DPMPS MJHIU DBVTFT CMVST /PU QPTTJCMF CZ TUBOEBSE 67 DVU MFOTFT
Blue 5IF #MVF DPMPS MJHIU JT F⒎FDUJWFMZ DVU
Green Green 6MUSB WJPMFU SBZ 6MUSB WJPMFU SBZ
Red Red

#MVF DPMPS MJHIU #MVF DPMPS MJHIU
Focal distance large Focal distance small
UV cut clear lens Blue cut coating lens UV cut clear lens Blue cut coating lens
'PDBM MFOHUI JT EJ⒎FSFOU CFUXFFO UIF MFOHUI PG UIF MJHIU XBWF /PU POMZ UIF VMUSBWJPMFU SBZ CVU
8IFO UIF SFE DPMPS JT GPDVTJOH PO SFUJOB UIF CMVF DPMPS XIJDI JU BMTP DVUT UIF CMVF DPMPS MJHIU XIJDI JT XPSSJFE
IBT UIF TIPSUFTU MFOHUI PG XBWF GPDVTFT JO GSPOU PG SFUJOB UP CF UIF DBVTF PG FZF TUSBJOT F⒎FDUJWFMZ
5IJT JT XIZ UIF TJHIU NBZ TFFNFE CMVSSFE
#Z DVUUJOH UIJT CMVF DPMPS XBWFT UIF EJTUBODF PG UIJT EJ⒎FSFODF
XJMM CF TNBMMFS BOE BT SFTVMU XJMM QSPWJEF B NPSF DMFBS WJTJPO

"SPVOE PG UIF HMBSJOH TIPSU XBWF MJHIUT BSF DVU

,FFQJOH DMFBS WJFX CZ DVUUJOH BSPVOE TIPSU XBWF MJHIU XIJDI DBVTFT HMBSFT
Spectral transmittance curve of Blue Cut Coating

Without Blue Cut Coating

transmittance (%) "SPVOE
DVUUJOH

Wave length (nm)
With Blue Cut Coating
ˎThe spectral characteristics may change according to the material and coating. ˎ5IF F⒎FDU NBZ EJ⒎FS CFUXFFO JOEJWJEVBMT
5IF QJDUVSF BSF BMM JNBHFT

TOKAI OPTICAL CO.,LTD. 2013.2