| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an operation device for preventing warpage of a substrate with a detection panel fixed thereto, while preventing a reduction in transmission efficiency of light from a display device. <P>SOLUTION: In the operation device, an upper case 3 includes a substrate 41 and a correction layer 42 which are integrally formed by two-color molding or insert molding, and a frame section 8 made by the same resin material as the correction layer 42. The detection panel 20 is fixed to the front surface of the substrate 41 through an adhesive layer 21. Even if the thermal expansion coefficient is different between the substrate 41 and a lower sheet 22 of the detection panel 20, the warping deformation of the substrate 41 can be prevented by the correction layer 42 laminated on the reverse side. The overall strength of the upper case 3 is enhanced by a laminate of the substrate 41 and the correction layer 42 integrally formed with the frame section 8, and the warpage of the substrate 41 is further easily prevented. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
