Backlight unit and liquid crystal display device
A technology for backlight units and liquid crystal display panels, applied in optical components, lighting devices, optics, etc., can solve the problems of easy warping of the mounting substrate 111 and inability to completely cope with heat dissipation of the heat sink, and improve the degree of freedom of configuration and the degree of freedom Effect
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[0124] Embodiment 2 will be described. In addition, components having the same functions as those used in Embodiment 1 are given the same reference numerals and their descriptions are omitted.
[0125] In the backlight unit 49 described in Embodiment 1, the mounting substrate 11 is sandwiched by the first groove DH1 defined by the side VP of the top-shaped housing 25 and the wall of the bottom-shaped housing 21 . 23 formed. In this embodiment 2, with Figure 11 and Figure 12 A case where the mounting substrate 11 is sandwiched by the second grooves (second grooves) DH2 other than the first groove DH1 will be described.
[0126] also, Figure 11 become with figure 1 in the same manner, Figure 12 become with image 3 in the same manner (in addition, Figure 12 The direction of the section is Figure 11 The direction indicated by the arrow at line A4-A4' of the
[0127] as it should Figure 11 and Figure 12 As shown, the second groove DH2 includes, as a part, a st...
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