发明名称 LIGHT SOURCE DEVICE AND DISPLAY DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a light source device which is inexpensive, small-sized, and low in power consumption and projects parallel luminous flux having a sufficient light quantity and uniform luminance, and the display device using the same. <P>SOLUTION: The light source device is equipped with LEDs 3<SB>1</SB>to 3<SB>3</SB>which project prescribed lights respectively, and a dichroic prism 2 which puts respective incident lights 4<SB>1</SB>to 4<SB>3</SB>from oblique surfaces 5<SB>1c</SB>, 5<SB>2c</SB>, and 5<SB>3c</SB>provided in accordance with the LEDs 3<SB>1</SB>to 3<SB>3</SB>together into one composite light 4<SB>4</SB>and projects it from one oblique surface 5<SB>4c</SB>. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005189824(A) 申请公布日期 2005.07.14
申请号 JP20040328437 申请日期 2004.11.12
申请人 SEIKO EPSON CORP 发明人 HASHIMOTO NOBUAKI
分类号 G03B21/14;G03B21/00;H01L33/58;H01L33/60;H01L51/50;H05B33/14 主分类号 G03B21/14
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