ᚑくᄢቇℂᎿቇ⎇ⓥႎ๔
J. Fac. Sci. Tech., Seikei Univ.
Vol.45 No.2 (2008) pp.71-73
㧔․೎⎇ⓥ⾌ߦଥࠆ⺰ᢥ㧕᦭ᯏ '. ࠺ࠖࠬࡊ࡟ࠗߩ⴫␜․ᕈߩ᷹ቯ
┄↰ ᖗ 

Measurement of Luminance and Color Gamut of Organic Light-Emitting Diode Displays
Satoru KUBOTA*1(Received August 8, 2008)㧝㧚ߪߓ߼ߦ

㧟㧚᷹ቯᣇᴺ ᦭ᯏEL㧔organic light-emitting diode㧦એᓟOLED㧕࠺ࠖ ⴫␜ノᐲࠬࡊ࡟ࠗߩታ↪ൻߩߚ߼ߩ⎇ⓥߪ㧘1987ᐕߦࠦ࠳࠶ࠢ␠ ᥧቶ᧦ઙߦ߅޿ߡ㧘ో⊕↹㕙ߣో㤥↹㕙ߩノᐲࠍᴺ✢

ߩTang and VanSlyke ߦࠃࠅ᦭ᯏ‛ߩⓍጀ᭴ㅧ߇⊒శ࠳ᣇะ߆ࠄ⚂50cmߩ〒㔌ߢ㧘ノᐲ⸘㧔Photo Research␠⵾1)ࠗࠝ࡯࠼ߣߒߡ૶↪ߢ߈ࠆߎߣࠍ⊒⴫એ᧪ᵴ⊒ൻߒߚ‫ޕ‬

PR880 FOV㧝ᐲ㧕ࠍ↪޿ߡ᷹ቯߒߚ‫ޕ‬AMOLEDߣPDPߦ⃻࿷㧔2008ᐕᄐ㧕߹ߢߦ㧘࠹࡟ࡆ࠺ࠖࠬࡊ࡟ࠗ߳ߩᔕ↪

ߟ޿ߡߪ㧘⴫␜ノᐲߦAPL㧔Average Picture Level㧕ଐሽࠍ⋡ᜰߒߚ20ဳࠍ⿥߃ࠆᄢ߈ߐߩࠕࠢ࠹ࠖࡉࡑ࠻࡝࠶ࠢᕈ߇⹺߼ࠄࠇߚߩߢ㧘⊕ߩ᷹ቯࡄ࠶࠴ߩᄢ߈ߐࠍ↹㕙ోࠬOLED࠺ࠖࠬࡊ࡟ࠗߩ⹜૞ຠ߇࠰࠾࡯㧘᧲⦼᧻ਅ࠺ࠖ

૕ߩ1㨪100%ߦᄌ߃ߡࡇ࡯ࠢ⊕ߩノᐲࠍ᷹ቯߒߚ‫ޕ‬ࠬࡊ࡟ࠗ࠹ࠢࡁࡠࠫ࡯㧘࠮ࠗࠦ࡯ࠛࡊ࠰ࡦ㧘ࠨࡓ࠰ࡦߥߤ߆ࠄ⋧ᰴ޿ߢ⊒⴫ߐࠇ㧘ᰴ਎ઍߩ㜞↹⾰࠺ࠖࠬࡊ࡟ࠗ

 ⴫␜⦡ߣߒߡᵈ⋡ࠍ㓸߼ߡ޿ࠆ‫ޕ‬ ᥧቶ᧦ઙߦ߅޿ߡ㧘RGBਃේ⦡ߣ⊕ࠍಽశ᡼኿⸘ ᧄ⎇ⓥߢߪ㧘⹜૞ຠ߽฽߼㧟ᯏ⒳ߩOLED࠺ࠖࠬࡊ࡟

㧔Photo Research␠⵾PR701S㧕ߦࠃࠅ⸘᷹ߒ㧘ਃೝỗ୯ࠗࠍ㐿⊒ࡔ࡯ࠞ࡯߆ࠄឭଏࠍฃߌ㧘↹⾰ߦ㑐ㅪߔࠆ‛ℂ

㧔X,Y,Z㧕ࠍ᳞߼ߚ‫ޕ‬ਃೝỗ୯ࠃࠅ1976UCS⦡ᐲᐳᮡࠍ᳞

⊛ߥ․ᕈࠍታ㓙ߩ૶↪ⅣႺࠍ⠨ᘦߒߡ᷹ቯߒߚ⚿ᨐࠍ␜߼㧘⦡ၞ㧔NTSCᲧ㧕ߥߤࠍ▚಴ߒߚ‫ޕ‬ߔ‫ޕ‬᷹ቯ⚿ᨐࠍLCD߿PDPߦኻߔࠆห᭽ߩ᷹ቯ⚿ᨐߣኻᲧߒߡ␜ߔߎߣߦࠃߞߡOLED࠺ࠖࠬࡊ࡟ࠗߩ⴫␜਄ߩ ᜛ᢔ෻኿ノᐲଥᢙ․ᓽࠍ᣿⏕ߦߒߚ‫ޕ‬ISO13406-22)ߦḰ᜚ߒߚᣇᴺߢ᷹ቯߒߚ‫ߜࠊߥߔޕ‬㧘߹ߕ

15qǾߩ㧞ߟߩశḮࠍ30q౉኿ߢᾖ኿ߒ㧘ᴺ✢ᣇะ߆ࠄ㧞㧚᷹ቯኻ⽎࠺ࠖࠬࡊ࡟ࠗ

෻኿ノᐲLrDIFFࠍ᷹ቯߒߚ‫ޕ‬ᰴߦ㧘หߓశḮߣ㈩⟎ߢᮡḰ⊕⦡᧼㧔Labsphere99%㧕ߩ෻኿ノᐲLrWSTDࠍ᷹ቯߒ㧘એ ⴫㧝ߦ␜ߒߚOLED࠺ࠖࠬࡊ࡟ࠗ3⒳ߣLCD5ᯏ⒳㧘
PDP1ᯏ⒳ߩว⸘㧥ᯏ⒳ߦߟ޿ߡ㧘ታ㓙ߩ૶↪ⅣႺࠍ⠨ᘦਅߩᑼߦࠃࠅ᜛ᢔ෻኿ノᐲଥᢙqࠍ᳞߼ߚ‫ޕ‬ノᐲ⸘ߪ
Photo Research␠⵾PR880 FOV1ᐲࠍ↪޿ߚ‫ޕ‬ߒߚ⴫␜․ᕈߩ᷹ቯࠍ߅ߎߥߞߚ‫ޕ‬q=⴫㧝᷹ቯኻ⽎ߩ 1.'& ࠺ࠖࠬࡊ࡟ࠗߣฦ⒳࠺ࠖࠬࡊ࡟ࠗ
ᯏ⒳䉮䊷䊄㪘㪤㪄
᦭ᯏ㪜㪣㪦㪣㪜㪛㪈㪘㪤㪄᦭ᯏ㪜㪣㪦㪣㪜㪛㪉㪧㪤㪄
᦭ᯏ㪜㪣
㪦㪣㪜㪛
⒳㘃

ਥ↪ㅜ

⊒ᄁ䉁䈢䈲 ኻⷺ䍙䍐䍛䍼㩿㫀㫅㪺㪿㪀㐿⊒ᤨᦼ↹⚛ᢙ↹⚛䍩䍽䍍䍟㩿㫄㫄㪀

LrDIFF 0.99
×
LrWSTDπ            ⹜૞ຠ㪉㪇㪇㪌ᐕ㪊㪅㪌㪊㪉㪇㬍㪉㪋㪇㪇㪅㪉㪉㪇㪟㪛㪫㪭㪉㪇㪇㪎ᐕ౻㪈㪈㪐㪍㪇㬍㪌㪋㪇㪇㪅㪉㪍㪈⹜૞ຠ㪉㪇㪇㪌ᐕ㪈㪅㪇㪐㪍㬍㪐㪍㪇㪅㪈㪏㪇㪫㪝㪫ᶧ᥏ 㪣㪚㪛㪄㪈 䍰䍡䍼䍆䍏䍪䍽䍸䍎䍲㪉㪇㪇㪍ᐕ㪊㪅㪌㪊㪉㪇㬍㪉㪋㪇㪇㪅㪉㪉㪉㪫㪝㪫ᶧ᥏ 㪣㪚㪛㪄㪉 䍰䍡䍼䍆䍏䍪䍽䍸䍎䍲㪉㪇㪇㪍ᐕ㪊㪅㪎㪍㪋㪇㬍㪋㪏㪇㪇㪅㪈㪈㪎

15q㧘᷹ቯⷺ15qߦ㈩⟎ߒ㧘శḮࠨࠗ࠭ࠍ೨㕙ߩࠕࡄ࡯࠴ࡖ㪫㪝㪫ᶧ᥏ 㪣㪚㪛㪄㪊㪧㪛㪘㪉㪇㪇㪍ᐕ㪊㪅㪎㪍㪋㪇㬍㪋㪏㪇㪇㪅㪈㪈㪎࡯߆ࠄߩ⷗ㄟߺⷺߢ1q㨪15q߹ߢᄌൻߐߖߡ㏜㕙ᕈ㧔Haze㪫㪝㪫ᶧ᥏ 㪣㪚㪛㪄㪋䉭䊷䊛ᯏ㪉㪇㪇㪍ᐕ㪋㪅㪊㪋㪏㪇㬍㪉㪎㪉㪇㪅㪈㪐㪏ࠍ฽߻㧕ߩ෻኿ノᐲࠍ᷹ቯߔࠆ‫ࠆࠁࠊ޿ޕ‬Variable Aperture㪫㪝㪫ᶧ᥏ 㪣㪚㪛㪄㪌㪟㪛㪫㪭㪉㪇㪇㪎ᐕᤐ㪋㪉㪈㪐㪉㪇㬍㪈㪇㪏㪇㪇㪅㪋㪏㪋䊒䊤䉵䊙㪟㪛㪫㪭㪉㪇㪇㪎ᐕ⑺㪋㪉㪈㪐㪉㪇㬍㪈㪇㪏㪇㪇㪅㪋㪏㪋㪧㪛㪧 ㏜㕙ᕈ෻኿₸ ᜛ᢔ෻኿ߣห᭽ߦ㧘ISO13406-2ߦḰ᜚ߒߚᣇᴺߢ᷹ቯߒߚ‫ޕ‬㏜㕙ᕈߩ෻኿᷹ቯߢߪశḮࠍ㧝บߛߌ↪޿ࠆ‫౉ޕ‬኿ⷺ

Specular Arrangement3)ߦࠃࠆ᷹ቯᣇᴺߢ޽ࠆ‫ޕ‬ノᐲ⸘ߩὶὐ

ࠛ࡟ࠢ࠻ࡠࡔࠞ࠾ࠢࠬቇ⑼ᢎ᝼㧔MWDQVC"UVUGKMGKCELR㧕ߪశḮߦวࠊߖࠆ‫ޕ‬ノᐲ⸘ߩࠕࡄ࡯࠴ࡖ࡯ߪ0.25qࠍ↪޿ߚ‫ޕ‬㧙㧙 ৻ᣇ㧘Ყセ⊛㜞޿↹㕙ᾖᐲߦ߅޿ߡหߓ⥄⊒శဳߩPDP㧠㧚᷹ቯ⚿ᨐߣ⠨ኤ࠺ࠖࠬࡊ࡟ࠗߪ㧘㤥࡟ࡌ࡞߇LCDࠃࠅ߽㜞޿߇㧘OLED ⴫㧞ߦฦᯏ⒳ߩノᐲ㧘෻኿․ᕈ㧘⦡ၞߥߤࠍ␜ߒߚ‫ޕ‬࠺ࠖࠬࡊ࡟ࠗߪLCDߣห⒟ᐲએਅߢ޽ࠆ‫ޕ‬OLED࠺ࠖࠬ࿑㧝ߦᥧቶ᧦ઙߦ߅ߌࠆ⦡ၞߣ⊕⦡ὐࠍ1976UCS⦡ᐲ࿑ࡊ࡟ࠗߪ⥄⊒శဳߢߪ޽ࠆ߇㧘᜛ᢔ㕙߇ή޿਄ߦ౞஍శ਄ߦ␜ߒߚ‫⹏ޕ‬ଔኻ⽎ߣߥߞߚ㧟ᯏ⒳ߩOLEDߩ⦡ၞࠍᦨㄭߩઍ⴫⊛ߥLCDߣPDP㧔޿ߕࠇ߽42ဳHDTV㧕ߣኻᲧߒߡࡊࡠ࠶࠻ߒߚ߽ߩߢ޽ࠆ‫ޕ‬AM-OLED1ߣPM-OLEDߪ⹜૞ຠߢ޽ࠅ㧘㕍ߩ⚐ᐲ߇ૐ޿‫ޕ‬AM-OLED2ߪ⵾ຠߢ㤥࡟ࡌ࡞㧔EFট㧕޽ࠆ߇㧘⦡ၞߪᭂ߼ߡᐢߊ߶߷NTSCߩ㗔ၞࠍࠞࡃ࡯ߒߡ޿ࠆ‫ޕ‬HDTV↪ߩLCDߣPDPߪHDTVߩⷙᩰߢ޽ࠆITU-R
BT.7094)ߩ㗔ၞ㧔sRGBߦหߓ㧕ࠍ߶߷ࠞࡃ࡯ߒߡ޿ࠆ‫ޕ‬ ߎࠇࠄߩ᷹ቯ࠺࡯࠲߆ࠄkubota5)㧘┄↰6)㧘Post et al.7)

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ߩᣇᴺߦࠃࠅ㧘↹㕙ᾖᐲߣ㤥࡟ࡌ࡞㧘ࠦࡦ࠻࡜ࠬ࠻Ყ㧘1.'&⦡ၞߣߩ㑐ଥࠍ᳞߼ߚ‫ޕ‬࿑㧞ߦ↹㕙ᾖᐲߣ㤥࡟ࡌ࡞ߣߩ㑐ଥࠍ␜ߒߚ‫ޕ‬ᐢ▸࿐ߩ↹㕙ᾖᐲߦ߅޿ߡ㧘OLED࠺ࠖ

ࠬࡊ࡟ࠗߪLCD߿PDPࠃࠅ߽㤥࡟ࡌ࡞߇ૐ޿‫ߦ․ޕ‬100lx↹㕙ᾖᐲ㧔NZ㧕એਅߩ᧦ઙߦ߅޿ߡLCD߿PDPߣߩᏅ߇᜛ᄢߒ㧘OLED࠺ࠖࠬࡊ࡟ࠗߩ․ᓽࠍ⃻ߔ‫ߒߛߚޕ‬㧘↹㕙ᾖᐲ100 lxߪኅ࿑㧞 ฦ࠺ࠖࠬࡊ࡟ࠗߩ↹㕙ᾖᐲߣ㤥࡟ࡌ࡞8)ᐸߦ߅ߌࠆ࠹࡟ࡆߩⷰⷞ᧦ઙߩᐔဋ⊛࡟ࡌ࡞ߦ⋧ᒰߒ 㧘
100lxએਅߩⅣႺߪኅᐸߦ߅޿ߡ߽Ყセ⊛ᥧ޿ⷰⷞ᧦ઙ

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ᯏ⒳䉮䊷䊄ࠦࡦ࠻࡜ࠬ࠻Ყ⴫㧞 ᥧቶ᧦ઙߢߩฦ࠺ࠖࠬࡊ࡟ࠗߩ᷹ቯ⚿ᨐ㪈 ᐲ䈱శ⦡ၞ㤥ノᐲ 䉮䊮䊃䊤䉴䊃 ᜛ᢔ෻኿ Ḯ䈮ኻ䈜䉎㏜㕙ᕈ 㪥㪫㪪㪚 Ყ₸㩿㩼㪀䋨㪺㪻㪆䋛䋩Ყ㩿㩼㪀෻኿₸㩿㩼㪀⊕ノᐲ䋨㪺㪻㪆䋛䋩㪘㪤㪄㪍㪊㩷㩿㪘㪧㪣㪑㪈㪇㪇㩼㪀㪦㪣㪜㪛㪈 㪉㪋㪇㩷㩿㪘㪧㪣㪑㪈㩼㪀㪘㪤㪄 㪈㪌㪌㩷㩿㪘㪧㪣㪑㪈㪇㪇㩼㪀᦭ᯏ 㪜㪣㪦㪣㪜㪛㪉 㪊㪏㪎㩷㩿㪘㪧㪣㪑㪈㩼㪀㪧㪤㪄᦭ᯏ 㪜㪣㪐㪊㩷㩿㪘㪧㪣㪑㪈㪇㪇㩼㪀㪦㪣㪜㪛᦭ᯏ 㪜㪣㪇㪄㪇㪅㪊㪌㪋㪅㪍㪍㪍㪈㪇㪄㪇㪅㪊㪊㪊㪅㪇㪈㪈㪇㪐㪇㪄㪇㪅㪋㪊㪋㪅㪎㪐㪋㪍㪫㪝㪫 ᶧ᥏ 㪣㪚㪛㪄㪈㪈㪊㪉㪇㪅㪈㪐㪍㪐㪌㪇㪅㪐㪏㪈㪇㪅㪏㪋㪌㪎㪫㪝㪫 ᶧ᥏ 㪣㪚㪛㪄㪉㪈㪉㪎㪇㪅㪎㪊㪈㪎㪋㪍㪅㪋㪊㪋㪅㪌㪎㪉㪌㪫㪝㪫 ᶧ᥏ 㪣㪚㪛㪄㪊㪈㪍㪌㪇㪅㪏㪈㪉㪇㪋㪇㪅㪏㪊㪇㪅㪎㪍㪋㪉㪫㪝㪫 ᶧ᥏ 㪣㪚㪛㪄㪋㪈㪉㪊㪇㪅㪈㪎㪎㪉㪋㪇㪅㪈㪌㪈㪊㪅㪋㪏㪋㪐㪫㪝㪫 ᶧ᥏ 㪣㪚㪛㪄㪌㪎㪇㪉㪇㪅㪇㪏㪎㪏㪇㪏㪊㩷 㶎㪇㪅㪌㪍㪇㪅㪉㪏㪐㪏㪌㪌㩷㩿㪘㪧㪣㪑㪈㪇㪇㩼㪀㪇㪅㪇㪊㪍㪎㪌㪊㪇㩷 㶎㪊㪅㪊㪉㪈㪅㪉㪌㪏㪎㪉㪍㪏㩷㩿㪘㪧㪣㪑㪈㩼㪀̪ ో㤥↹㕙ߣࡇ࡯ࠢ⊕ߩノᐲᲧ㧘ߔߥࠊߜノᐲߩ䉻䉟䊅䊚䉾䉪䊧䊮䉳ߢ޽ࠆ‫ޕ‬#2. ଐሽߩノᐲ೙ᓮࠍߒߡ޿ࠆ႐วߪ․ቯߩ↹௝ߩࠦࡦ࠻࡜ࠬ࠻ߣߪ⇣ߥࠆ䊒䊤䉵䊙
↹㕙ᾖᐲ㧔NZ㧕㪧㪛㪧࿑㧟 ↹㕙ᾖᐲߣࠦࡦ࠻࡜ࠬ࠻ߣߩ㑐ଥ
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3)ࠍᷫߓߡ޿ࠆߚ߼ߢ޽ࠆ‫ޕ‬ᾖᐲߣ⦡ၞߣߩ㑐ଥࠍ␜ߔ‫ޕ‬࿑㧠ߩ⦡ၞߪUCS⦡ᐲ࿑ߦITU-R BT.709-5㧦
̌Parameter values for the HDTV standards

5)

Kubota, S.㧦̌Effects of Ambient Lighting Conditions on኿₸ࠍૐߊᛥ߃ࠄࠇࠇ߫㧘OLED࠺ࠖࠬࡊ࡟ࠗߪደౝ㧘 ߎࠇࠄߩOLED࠺ࠖࠬࡊ࡟ࠗࠍ↪޿ߚਥⷰ⊛ߥ↹⾰⹏OLED࠺ࠖࠬࡊ࡟ࠗߩ㓙┙ߞߚ․ᓽ߇⷗಴ߐࠇߡ޿ࠆ‫ޕ‬6)┄↰ ᖗ㧦
̌ᶧ᥏࠺ࠖࠬࡊ࡟ࠗߩ↢ᘒቇ㧙೑↪⠪ਛᔃߩ࠺ㇱ㧘㧔1998㧕
7)

Post, D.L. and Lloyd, C.J.C.㧦
̌Colour display gamuts and8)┄↰㧘᎑↰㧘ጟ↰㧘ਛ᧛㧘ၔᚭ:̌ኅᐸߦ߅ߌࠆ࠹࡟ࡆ2)(1995)

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for production and international programme exchange”,(2002)

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Journal of Light and Visual Environment,Vol.21,No.1,pp.33-42㧘 ࿑㧟ߦ↹㕙ᾖᐲߣࠦࡦ࠻࡜ࠬ࠻ߣߩ㑐ଥ㧘࿑㧠ߦ↹㕙߅ߌࠆNTSCᲧߢ޽ࠆ‫ޕ‬ᐢ▸࿐ߩᾖᐲ᧦ઙߦ߅ߌࠆOLEDKubota, S.㧦
̌Effects of the reflection properties of liquid-crystal

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̌Ergonomic requirements for work with visualdisplays based on flat panels -- Part 2㧦Ergonomic requirements
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ambient illumination”, Displays, Vol.15, No.1, pp.39-43,(1994)

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