diff --git a/components/platform/src/lcd_direct.c b/components/platform/src/lcd_direct.c
index 74bce11..6a93e21 100644
--- a/components/platform/src/lcd_direct.c
+++ b/components/platform/src/lcd_direct.c
@@ -523,7 +523,7 @@ static uint32_t lcd_direct_backlight_duty(uint8_t brightness_percent)
     return duty;
 }
 
-static esp_err_t lcd_direct_backlight_init(void)
+static esp_err_t lcd_direct_backlight_init(uint8_t initial_brightness_percent)
 {
     const ledc_timer_config_t timer_config = {
         .speed_mode = LEDC_LOW_SPEED_MODE,
@@ -540,7 +540,7 @@ static esp_err_t lcd_direct_backlight_init(void)
         .channel = LCD_DIRECT_BACKLIGHT_PWM_CHANNEL,
         .intr_type = LEDC_INTR_DISABLE,
         .timer_sel = LCD_DIRECT_BACKLIGHT_PWM_TIMER,
-        .duty = lcd_direct_backlight_duty(CONFIG_TQ_SCREEN_BACKLIGHT_BRIGHTNESS_PERCENT),
+        .duty = lcd_direct_backlight_duty(initial_brightness_percent),
         .hpoint = 0,
     };
     ESP_RETURN_ON_ERROR(ledc_channel_config(&channel_config), TAG, "backlight PWM channel config failed");
@@ -549,7 +549,7 @@ static esp_err_t lcd_direct_backlight_init(void)
              "Backlight PWM initialized gpio=%d frequency=%uHz brightness=%d%% active_high=%d",
              CONFIG_TQ_SCREEN_BACKLIGHT_GPIO,
              (unsigned)LCD_DIRECT_BACKLIGHT_PWM_FREQUENCY_HZ,
-             CONFIG_TQ_SCREEN_BACKLIGHT_BRIGHTNESS_PERCENT,
+             initial_brightness_percent,
              CONFIG_TQ_SCREEN_BACKLIGHT_ACTIVE_HIGH ? 1 : 0);
     return ESP_OK;
 }
@@ -574,7 +574,7 @@ static esp_err_t lcd_direct_gpio_init(void)
     if (CONFIG_TQ_SCREEN_RESET_PIN >= 0) {
         gpio_set_level(CONFIG_TQ_SCREEN_RESET_PIN, 1);
     }
-    return lcd_direct_backlight_init();
+    return lcd_direct_backlight_init(0U);
 }
 
 static esp_err_t lcd_direct_panel_init(void)
@@ -671,6 +671,22 @@ static esp_err_t lcd_direct_panel_init(void)
     return ESP_OK;
 }
 
+static esp_err_t lcd_direct_clear_panel(void)
+{
+    memset(s_line_buffer, 0, sizeof(s_line_buffer));
+    for (uint16_t row_start = 0; row_start < LCD_DIRECT_HEIGHT;
+         row_start += LCD_DIRECT_ROWS_PER_TRANSFER) {
+        uint16_t row_count = LCD_DIRECT_HEIGHT - row_start;
+        if (row_count > LCD_DIRECT_ROWS_PER_TRANSFER) {
+            row_count = LCD_DIRECT_ROWS_PER_TRANSFER;
+        }
+        ESP_RETURN_ON_ERROR(lcd_direct_draw_rows(row_start, row_count),
+                            TAG,
+                            "initial panel clear failed");
+    }
+    return ESP_OK;
+}
+
 static uint16_t lcd_direct_color_for_row(uint16_t row, const lcd_direct_request_t *request)
 {
     uint16_t band = row / 40U;
@@ -1633,6 +1649,18 @@ esp_err_t lcd_direct_init_device(void)
 
     ESP_RETURN_ON_ERROR(lcd_direct_gpio_init(), TAG, "gpio init failed");
     ESP_RETURN_ON_ERROR(lcd_direct_panel_init(), TAG, "esp_lcd panel init failed");
+    ESP_RETURN_ON_ERROR(lcd_direct_clear_panel(), TAG, "panel clear failed");
+
+    ESP_RETURN_ON_ERROR(ledc_set_duty(LEDC_LOW_SPEED_MODE,
+                                      LCD_DIRECT_BACKLIGHT_PWM_CHANNEL,
+                                      lcd_direct_backlight_duty(
+                                          CONFIG_TQ_SCREEN_BACKLIGHT_BRIGHTNESS_PERCENT)),
+                        TAG,
+                        "backlight brightness set failed");
+    ESP_RETURN_ON_ERROR(ledc_update_duty(LEDC_LOW_SPEED_MODE,
+                                         LCD_DIRECT_BACKLIGHT_PWM_CHANNEL),
+                        TAG,
+                        "backlight brightness update failed");
 
     s_initialized = true;
     ESP_LOGI(TAG,