This part is a kind of semiconductor called LP154WX4-TLC1.
Function of this product has Display Module.
Manufacturers : LG
Image and pinout :

Some of the text within the PDF file :
LP154WX4 Liquid Crystal Display Product Specification SPECIFICATION FOR APPROVAL ( ◆ ) Preliminary Specification ( ) Final Specification Title Customer MODEL Quanta 15.4” WXGA TFT LCD SUPPLIER *MODEL Suffix LG.Philips LCD Co., Ltd. LP154WX4 TLC1 *When you obtain standard approval, please use the above model name without suffix APPROVED BY SIGNATURE APPROVED BY C. S. Jung / S.Manager SIGNATURE / REVIEWED BY / C. I. Kim / Manager / PREPARED BY H. M. Yoon / Engineer C. H. Lee / Engineer Please return 1 copy for your confirmation with your signature and comments. Products Engineering Dept. LG. Philips LCD Co., Ltd Ver. 0.0 Apr. 13, 2007 1 / 27 LP154WX4 Liquid Crystal Display Product Spe [ ... ]