发明名称 LINEAR LIGHT SOURCE UNIT AND IMAGE READING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a new linear light source unit that can be used in place of a cold cathode tube. <P>SOLUTION: The linear light source unit is provided with a main body part 130 made of a transparent body in a column shape with an almost uniform cross section and having a predetermined length, a light guide member 120 provided with a first end part 140a and a second end part 140b formed at the both ends of the main body part 130, substrates 210 arranged near the first and second end parts 140a and 140b, respectively, LED elements 200 mounted on the respective substrates 210 and arranged at the first and second end parts 140a and 140b, respectively, while being opposed to each other, and a radiation member 300 supported at the both end parts of the respective substrates 210 to extend along the light guide member 120. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008147847(A) 申请公布日期 2008.06.26
申请号 JP20060330669 申请日期 2006.12.07
申请人 ROHM CO LTD 发明人 FUJIMOTO HISAYOSHI
分类号 H04N1/04;F21V8/00;F21V29/00;F21Y101/02;G03B27/54;H04N1/028 主分类号 H04N1/04
代理机构 代理人
主权项
地址