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    Direct-lit backlight source and manufacturing method thereof, display device
    1.
    发明授权
    Direct-lit backlight source and manufacturing method thereof, display device 有权

    公开(公告)号：US11256133B2

    公开(公告)日：2022-02-22

    申请号：US16632676

    申请日：2019-01-21

    申请人： BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

    发明人： Yu Zhang ,  Shixin Geng ,  Xiaojun Gu ,  Guangyun Tong ,  Hao Zhou ,  Tengfei Wang

    IPC分类号： G02F1/13357 ,  G02F1/1335

    摘要： A direct-lit backlight source, a manufacturing method thereof, and a display device. The direct-lit backlight source includes: a light-emitting unit array; in a first direction, the light-emitting unit array includes a third region, and a first region and a second region sequentially between a first edge and the third region; in a second direction, the light-emitting unit array includes a sixth region, and a fourth region and a fifth region sequentially between a second edge to the sixth region; light-emitting units adjacent along the first direction in the first, second, third region, have a first, second, third pitch, respectively; light-emitting units adjacent along the second direction in the fourth, fifth, sixth region, have a fourth, fifth, sixth pitch, respectively; the second pitch is greater than the first pitch and the third pitch, respectively; and the fifth pitch is greater than the fourth pitch and the sixth pitch, respectively.