Parameterize the Bumps AN9[G The Backlight Utility was helpful to build the backlight system quickly. However, }PeZO!K the bumps must be parameterized in order to get the desired output distribution. ?PPZp6A3L= You can do this easily using the LightTools Properties dialog box. #<CIFVH 1.In the System Navigator, expand the items LightGuide, CubePrimitive_1, ;Pb8YvG1$ BottomSurface, and Zones. Then, select Texture, as shown in the following `^UK figure. hh.Q\qhubB 2.Right-click and select Properties on the shortcut menu. ZYtiMBJ 3.Select the Geometry tab. >E"9*:.^a 4.Select the arrow next to the Placement drop-down list, and select Bezier. Click 0&fl#]oCE Apply. ?q91:H ghtTools Introductory Tutorial
chm85
2007-11-13 13:40
The default number of bumps is 100 (10 X 10). You need to change these '=cKU0
G # parameters to match your design. Note that LightTools allows many other $R^lo$( placement options, but you will use the Bezier placement option for this $->d! example. ^i_Iqph= 5.On both the X Placement tab and Y Placement tab, change the Number of 2'{}<9 Bumps parameter to 300, as shown in the following figure. Click Apply after B/eaqJ each change. Yr&Ka: 6.Click OK to close the dialog box. et$uP Note that the number of bumps is 300 X 300, which results in about 90,000 mrZ`Lm#>pS bumps on the surface (~ 5143 bumps/in2). These bumps are arranged in a &